#3F8ABB#3F8ABB

#3F8ABB is a mid, moderate cyan. Relative luminance 0.228; OKLCH L 60.7% C 0.105 H 240.3°. Best body text is #000000 at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#3F8ABB
RGB	rgb(63, 138, 187)
HSL	hsl(204, 50%, 49%)
HSV	hsv(204, 66%, 73%)
CMYK	cmyk(66.3%, 26.2%, 0%, 26.7%)
CIE-LAB	lab(54.89, -7.63, -32.44)
CIE-LCH	lch(54.89, 33.33, 256.76°)
OKLab	oklab(60.74% -0.0521 -0.0913)
OKLCH	oklch(60.74% 0.105 240.3)
XYZ	xyz(20.1046, 22.8195, 50.3491)
Luminance	0.2282 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8ABB #BB703F

analogous

#3FBBAE #3F8ABB #3F4CBB

triadic

#3F8ABB #BB3F8A #8ABB3F

tetradic

#3F8ABB #AE3FBB #BB703F #4CBB3F

square

#3F8ABB #AE3FBB #BB703F #4CBB3F

split-complementary

#3F8ABB #BB3F4C #BBAE3F

monochromatic

#20465F #30688D #3F8ABB #6AA6CD #98C1DC

Accessibility & contrast

On white

3.77

#3F8ABB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.56

#3F8ABB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8ABB

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8ABB	#FFFFFF	#000000	##000000
##3F8ABB	1.00	3.77	5.56	5.56
#FFFFFF	3.77	1.00	21.00	21.00
#000000	5.56	21.00	1.00	1.00
##000000	5.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#748ABD

Deuteranopia (green-blind)

#637EBA

Tritanopia (blue-blind)

#00969B

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #3f8abb;
/* rgb */ color: rgb(63, 138, 187);
/* oklch */ color: oklch(60.7% 0.105 240.3);

Tailwind

colors: {
  custom: {
    50: '#81accf',
    500: '#3f8abb',
    950: '#000000',
  },
}

SCSS

$custom: #3f8abb;
$custom-light: #81accf;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8abb",
  "rgb": {
    "r": 63,
    "g": 138,
    "b": 187
  },
  "hsl": {
    "h": 203.71,
    "s": 49.6,
    "l": 49.02
  },
  "oklch": {
    "l": 0.60743,
    "c": 0.10512,
    "h": 240.3
  },
  "luminance": 0.22822
}

Semantic roles & 50–950 ramp

primary

#3F8ABB

secondary

#C8A58E

accent

#854FD9

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #3F8ABB

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

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