bluecoolCC0 survey name

Faded Blue #658CBB

Faded Blue is a mid-tone, moderately saturated cool color (#658CBB; HSL 213° 39% 56%). Name from the public-domain xkcd color survey (CC0), where it was contributed as “faded blue”.

Use cases: Trust UI · Corporate accents

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Families: Blues

Color values

FormatValue
HEX#658CBB
RGBrgb(101, 140, 187)
HSLhsl(213, 39%, 56%)
HSVhsv(213, 46%, 73%)
OKLCHoklch(63.02% 0.084 253.6)
OKLaboklab(63.02% -0.0236 -0.0802)
CMYKcmyk(46%, 25.1%, 0%, 26.7%)
XYZxyz(23.7116, 25.1092, 50.6012)
CIE-LABlab(57.2, -0.7, -28.7)
CIE-LCHlch(57.2, 28.7, 268.6°)
Luminance0.251 (WCAG relative)
/* Faded Blue */ --faded-blue: #658cbb; color: #658cbb; background-color: #658cbb;

Source: xkcd color survey name (public domain, CC0). CSS keyword: fadedblue.

Collections: Ocean Colors

Shade scale

Perceptual 50–950 scale, interpolated in CIE-LAB. Step 500 is the base color. Edit in the shade generator →

50
100
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500
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950

OKLCH ramp (perceptually uniform, modern CSS)

50
100
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400
500
600
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800
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950

Shades (toward black)

#5b7da6 #516e92 #47607f #3e526c #354559 #2b3748 #222b36 #1a1f26 #101317 #000000

Tints (toward white)

#7597c2 #85a2c9 #95adcf #a4b8d6 #b3c4dd #c3cfe4 #d2dbea #e1e7f1 #f0f3f8 #ffffff

Tones (toward gray)

#6a8cb6 #6f8bb1 #738bac #778ba7 #7b8ba2 #7e8a9d #818a98 #848a93 #87898e #898989

Color harmonies

Complementary

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#658CBB
#BB9465
#658cbb #bb9465

Analogous

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#65B7BB
#658CBB
#6965BB
#65b7bb #658cbb #6965bb

Triadic

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#658CBB
#BB658C
#8CBB65
#658cbb #bb658c #8cbb65

Tetradic

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#658CBB
#BB65B7
#BB9465
#65BB69
#658cbb #bb65b7 #bb9465 #65bb69

Square

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#658CBB
#BB65B7
#BB9465
#65BB69
#658cbb #bb65b7 #bb9465 #65bb69

Split Complementary

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#658CBB
#BB6965
#B7BB65
#658cbb #bb6965 #b7bb65

Monochromatic

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#335073
#456D9D
#658CBB
#8FACCE
#BACBE0
#335073 #456d9d #658cbb #8facce #bacbe0

Accessibility & contrast

3.49
#658CBB on #FFFFFF
AA text AA large AAA text UI 3:1
6.02
#658CBB on #000000
AA text AA large AAA text UI 3:1

Best text on faded blue

6.02
#000000 text

WCAG 2.1: AA needs ≥4.5:1 for normal text, ≥3:1 for large text and UI components; AAA needs ≥7:1 / ≥4.5:1. Open the contrast checker →

Color blindness preview

Simulation using the Machado et al. (2009) physiological model, severity 1.0. This is an approximation of perception — not a medical assessment.

Normal vision
Protanopia (red-blind)
#7A8EBD
Deuteranopia (green-blind)
#6F85BA
Tritanopia (blue-blind)
#42979C

Closest named colors

Nearest matches by CIEDE2000 perceptual distance (ΔE₀₀) across the full color database.

ColorNameΔE₀₀
Dusty Blue #5A86AD3.64
Off Blue #5684AE4.03
Cool Blue #4984B84.96
Soft Blue #6488EA5.30
Steel Blue #4682B45.76
Cornflowerblue #6495ED5.88

Colors that go with faded blue

Top matches by hue harmony, contrast and saturation compatibility.

Navy Blue #1B2A4A
4.1:1
Same hue family as faded blue (Δh 8°) — guaranteed harmony
Midnight #03012D
5.8:1
Analogous hue (Δh ≈30°) — neighbors on the color wheel
Sage Green #9CAF88
1.5:1
Triadic harmony (Δh ≈124°) — balanced three-way contrast
Beige #F5F5DC
3.1:1
Split-complementary angle (Δh ≈153°) — strong but softer than direct complement
Greige #B8AB98
1.6:1
Complementary hue (Δh ≈177°) — maximum hue contrast

Values computed from the sRGB color model. CMYK is the naive sRGB conversion without an ICC profile. RGB percentages may differ between color-managed applications.