#3C58BB#3C58BB

#3C58BB is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.5% C 0.159 H 268.2°. Best body text is #FFFFFF at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#3C58BB
RGB	rgb(60, 88, 187)
HSL	hsl(227, 51%, 48%)
HSV	hsv(227, 68%, 73%)
CMYK	cmyk(67.9%, 52.9%, 0%, 26.7%)
CIE-LAB	lab(40.45, 22.72, -55.38)
CIE-LCH	lch(40.45, 59.86, 292.31°)
OKLab	oklab(49.51% -0.005 -0.1591)
OKLCH	oklch(49.51% 0.159 268.2)
XYZ	xyz(14.3198, 11.5266, 48.4743)
Luminance	0.1153 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C58BB #BB9F3C

analogous

#3C97BB #3C58BB #603CBB

triadic

#3C58BB #BB3C58 #58BB3C

tetradic

#3C58BB #BB3C97 #BB9F3C #3CBB60

square

#3C58BB #BB3C97 #BB9F3C #3CBB60

split-complementary

#3C58BB #BB603C #97BB3C

monochromatic

#1E2C5E #2D428D #3C58BB #667DCE #95A4DD

Accessibility & contrast

On white

6.35

#3C58BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#3C58BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3C58BB

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C58BB	#FFFFFF	#000000	##FFFFFF
##3C58BB	1.00	6.35	3.31	6.35
#FFFFFF	6.35	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1665BE

Deuteranopia (green-blind)

#005AB9

Tritanopia (blue-blind)

#007081

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #3c58bb;
/* rgb */ color: rgb(60, 88, 187);
/* oklch */ color: oklch(49.5% 0.159 268.2);

Tailwind

colors: {
  custom: {
    50: '#8086d0',
    500: '#3c58bb',
    950: '#000000',
  },
}

SCSS

$custom: #3c58bb;
$custom-light: #8086d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3c58bb",
  "rgb": {
    "r": 60,
    "g": 88,
    "b": 187
  },
  "hsl": {
    "h": 226.772,
    "s": 51.417,
    "l": 48.431
  },
  "oklch": {
    "l": 0.49507,
    "c": 0.15922,
    "h": 268.2
  },
  "luminance": 0.11528
}

Semantic roles & 50–950 ramp

primary

#3C58BB

secondary

#C8BB8B

accent

#BC4DDB

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #3C58BB

Body copy rendered with the generated semantic roles for this colour.

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