#3F76BE#3F76BE

#3F76BE is a mid, vivid cyan. Relative luminance 0.177; OKLCH L 56.3% C 0.126 H 256.0°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#3F76BE
RGB	rgb(63, 118, 190)
HSL	hsl(214, 50%, 50%)
HSV	hsv(214, 67%, 75%)
CMYK	cmyk(66.8%, 37.9%, 0%, 25.5%)
CIE-LAB	lab(49.17, 5.28, -43.16)
CIE-LCH	lch(49.17, 43.48, 276.97°)
OKLab	oklab(56.3% -0.0307 -0.1227)
OKLCH	oklch(56.3% 0.126 256)
XYZ	xyz(17.8192, 17.7295, 51.1883)
Luminance	0.1773 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F76BE #BE873F

analogous

#3FB6BE #3F76BE #483FBE

triadic

#3F76BE #BE3F76 #76BE3F

tetradic

#3F76BE #BE3FB6 #BE873F #3FBE48

square

#3F76BE #BE3FB6 #BE873F #3FBE48

split-complementary

#3F76BE #BE483F #B6BE3F

monochromatic

#213D62 #305990 #3F76BE #6C97CE #9AB7DD

Accessibility & contrast

On white

4.62

#3F76BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.55

#3F76BE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3F76BE

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F76BE	#FFFFFF	#000000	##FFFFFF
##3F76BE	1.00	4.62	4.55	4.62
#FFFFFF	4.62	1.00	21.00	1.00
#000000	4.55	21.00	1.00	21.00
##FFFFFF	4.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#567BC1

Deuteranopia (green-blind)

#436FBD

Tritanopia (blue-blind)

#008791

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3f76be;
/* rgb */ color: rgb(63, 118, 190);
/* oklch */ color: oklch(56.3% 0.126 256.0);

Tailwind

colors: {
  custom: {
    50: '#819dd2',
    500: '#3f76be',
    950: '#000000',
  },
}

SCSS

$custom: #3f76be;
$custom-light: #819dd2;
$custom-dark: #000000;

JSON

{
  "hex": "#3f76be",
  "rgb": {
    "r": 63,
    "g": 118,
    "b": 190
  },
  "hsl": {
    "h": 214.016,
    "s": 50.198,
    "l": 49.608
  },
  "oklch": {
    "l": 0.56296,
    "c": 0.12649,
    "h": 256
  },
  "luminance": 0.17731
}

Semantic roles & 50–950 ramp

primary

#3F76BE

secondary

#C9B08F

accent

#9D4EDA

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3F76BE

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

Preview Lab → · Contrast checker → · Palette generator →