#3F7AC0#3F7AC0

#3F7AC0 is a mid, vivid cyan. Relative luminance 0.188; OKLCH L 57.3% C 0.125 H 254.1°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#3F7AC0
RGB	rgb(63, 122, 192)
HSL	hsl(213, 51%, 50%)
HSV	hsv(213, 67%, 75%)
CMYK	cmyk(67.2%, 36.5%, 0%, 24.7%)
CIE-LAB	lab(50.43, 3.54, -42.31)
CIE-LCH	lch(50.43, 42.45, 274.79°)
OKLab	oklab(57.32% -0.0342 -0.1202)
OKLCH	oklch(57.32% 0.125 254.1)
XYZ	xyz(18.5204, 18.7797, 52.5078)
Luminance	0.1878 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7AC0 #C0853F

analogous

#3FBBC0 #3F7AC0 #443FC0

triadic

#3F7AC0 #C03F7A #7AC03F

tetradic

#3F7AC0 #C03FBB #C0853F #3FC044

square

#3F7AC0 #C03FBB #C0853F #3FC044

split-complementary

#3F7AC0 #C0443F #BBC03F

monochromatic

#213F64 #305D92 #3F7AC0 #6D9ACF #9BBADE

Accessibility & contrast

On white

4.42

#3F7AC0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#3F7AC0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F7AC0

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7AC0	#FFFFFF	#000000	##000000
##3F7AC0	1.00	4.42	4.76	4.76
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B7FC3

Deuteranopia (green-blind)

#4872BF

Tritanopia (blue-blind)

#008A94

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3f7ac0;
/* rgb */ color: rgb(63, 122, 192);
/* oklch */ color: oklch(57.3% 0.125 254.1);

Tailwind

colors: {
  custom: {
    50: '#82a0d3',
    500: '#3f7ac0',
    950: '#000000',
  },
}

SCSS

$custom: #3f7ac0;
$custom-light: #82a0d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7ac0",
  "rgb": {
    "r": 63,
    "g": 122,
    "b": 192
  },
  "hsl": {
    "h": 212.558,
    "s": 50.588,
    "l": 50
  },
  "oklch": {
    "l": 0.57315,
    "c": 0.12495,
    "h": 254.1
  },
  "luminance": 0.18782
}

Semantic roles & 50–950 ramp

primary

#3F7AC0

secondary

#CAB091

accent

#9A4EDA

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #3F7AC0

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

Preview Lab → · Contrast checker → · Palette generator →