#3F76BF#3F76BF

#3F76BF is a mid, vivid cyan. Relative luminance 0.178; OKLCH L 56.4% C 0.128 H 256.2°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#3F76BF
RGB	rgb(63, 118, 191)
HSL	hsl(214, 50%, 50%)
HSV	hsv(214, 67%, 75%)
CMYK	cmyk(67%, 38.2%, 0%, 25.1%)
CIE-LAB	lab(49.22, 5.63, -43.65)
CIE-LCH	lch(49.22, 44.01, 277.35°)
OKLab	oklab(56.36% -0.0304 -0.1242)
OKLCH	oklch(56.36% 0.128 256.2)
XYZ	xyz(17.9289, 17.7734, 51.7659)
Luminance	0.1777 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F76BF #BF883F

analogous

#3FB6BF #3F76BF #483FBF

triadic

#3F76BF #BF3F76 #76BF3F

tetradic

#3F76BF #BF3FB6 #BF883F #3FBF48

square

#3F76BF #BF3FB6 #BF883F #3FBF48

split-complementary

#3F76BF #BF483F #B6BF3F

monochromatic

#213D63 #305A91 #3F76BF #6D97CF #9BB7DE

Accessibility & contrast

On white

4.61

#3F76BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#3F76BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3F76BF

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F76BF	#FFFFFF	#000000	##FFFFFF
##3F76BF	1.00	4.61	4.56	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#557CC2

Deuteranopia (green-blind)

#436FBE

Tritanopia (blue-blind)

#008791

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3f76bf;
/* rgb */ color: rgb(63, 118, 191);
/* oklch */ color: oklch(56.4% 0.128 256.2);

Tailwind

colors: {
  custom: {
    50: '#819dd3',
    500: '#3f76bf',
    950: '#000000',
  },
}

SCSS

$custom: #3f76bf;
$custom-light: #819dd3;
$custom-dark: #000000;

JSON

{
  "hex": "#3f76bf",
  "rgb": {
    "r": 63,
    "g": 118,
    "b": 191
  },
  "hsl": {
    "h": 214.219,
    "s": 50.394,
    "l": 49.804
  },
  "oklch": {
    "l": 0.56355,
    "c": 0.12783,
    "h": 256.2
  },
  "luminance": 0.17775
}

Semantic roles & 50–950 ramp

primary

#3F76BF

secondary

#CAB190

accent

#9E4EDA

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3F76BF

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

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