#3F7DAD#3F7DAD

#3F7DAD is a mid, moderate cyan. Relative luminance 0.187; OKLCH L 57.0% C 0.098 H 244.2°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#3F7DAD
RGB	rgb(63, 125, 173)
HSL	hsl(206, 47%, 46%)
HSV	hsv(206, 64%, 68%)
CMYK	cmyk(63.6%, 27.7%, 0%, 32.2%)
CIE-LAB	lab(50.38, -4.84, -31.43)
CIE-LCH	lch(50.38, 31.80, 261.25°)
OKLab	oklab(56.97% -0.0428 -0.0885)
OKLCH	oklch(56.97% 0.098 244.2)
XYZ	xyz(16.9235, 18.7395, 42.2523)
Luminance	0.1874 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7DAD #AD6F3F

analogous

#3FADA6 #3F7DAD #3F46AD

triadic

#3F7DAD #AD3F7D #7DAD3F

tetradic

#3F7DAD #A63FAD #AD6F3F #46AD3F

square

#3F7DAD #A63FAD #AD6F3F #46AD3F

split-complementary

#3F7DAD #AD3F46 #ADA63F

monochromatic

#1E3C53 #2F5D80 #3F7DAD #639BC6 #90B8D7

Accessibility & contrast

On white

4.42

#3F7DAD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#3F7DAD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F7DAD

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7DAD	#FFFFFF	#000000	##000000
##3F7DAD	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#687EAF

Deuteranopia (green-blind)

#5973AC

Tritanopia (blue-blind)

#00898E

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3f7dad;
/* rgb */ color: rgb(63, 125, 173);
/* oklch */ color: oklch(57.0% 0.098 244.2);

Tailwind

colors: {
  custom: {
    50: '#7fa2c5',
    500: '#3f7dad',
    950: '#000000',
  },
}

SCSS

$custom: #3f7dad;
$custom-light: #7fa2c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7dad",
  "rgb": {
    "r": 63,
    "g": 125,
    "b": 173
  },
  "hsl": {
    "h": 206.182,
    "s": 46.61,
    "l": 46.275
  },
  "oklch": {
    "l": 0.56973,
    "c": 0.0983,
    "h": 244.2
  },
  "luminance": 0.18741
}

Semantic roles & 50–950 ramp

primary

#3F7DAD

secondary

#C2A086

accent

#8B52D6

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0F13

muted

#7C7E82

Preview Lab

Preview with #3F7DAD

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

Preview Lab → · Contrast checker → · Palette generator →