#3E81AB#3E81AB

#3E81AB is a mid, moderate cyan. Relative luminance 0.197; OKLCH L 57.8% C 0.094 H 238.8°. Best body text is #000000 at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#3E81AB
RGB	rgb(62, 129, 171)
HSL	hsl(203, 47%, 46%)
HSV	hsv(203, 64%, 67%)
CMYK	cmyk(63.7%, 24.6%, 0%, 32.9%)
CIE-LAB	lab(51.45, -8.02, -28.60)
CIE-LCH	lch(51.45, 29.71, 254.34°)
OKLab	oklab(57.78% -0.0486 -0.0803)
OKLCH	oklch(57.78% 0.094 238.8)
XYZ	xyz(17.1848, 19.6632, 41.4099)
Luminance	0.1966 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E81AB #AB683E

analogous

#3EAB9E #3E81AB #3E4BAB

triadic

#3E81AB #AB3E81 #81AB3E

tetradic

#3E81AB #9E3EAB #AB683E #4BAB3E

square

#3E81AB #9E3EAB #AB683E #4BAB3E

split-complementary

#3E81AB #AB3E4B #AB9E3E

monochromatic

#1D3D51 #2E5F7E #3E81AB #619FC6 #8EBAD6

Accessibility & contrast

On white

4.26

#3E81AB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.93

#3E81AB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3E81AB

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E81AB	#FFFFFF	#000000	##000000
##3E81AB	1.00	4.26	4.93	4.93
#FFFFFF	4.26	1.00	21.00	21.00
#000000	4.93	21.00	1.00	1.00
##000000	4.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E81AD

Deuteranopia (green-blind)

#5F76AA

Tritanopia (blue-blind)

#008C8F

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #3e81ab;
/* rgb */ color: rgb(62, 129, 171);
/* oklch */ color: oklch(57.8% 0.094 238.8);

Tailwind

colors: {
  custom: {
    50: '#7ea5c4',
    500: '#3e81ab',
    950: '#000000',
  },
}

SCSS

$custom: #3e81ab;
$custom-light: #7ea5c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3e81ab",
  "rgb": {
    "r": 62,
    "g": 129,
    "b": 171
  },
  "hsl": {
    "h": 203.119,
    "s": 46.781,
    "l": 45.686
  },
  "oklch": {
    "l": 0.57782,
    "c": 0.09385,
    "h": 238.8
  },
  "luminance": 0.19665
}

Semantic roles & 50–950 ramp

primary

#3E81AB

secondary

#C19B84

accent

#8551D6

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B0F12

muted

#7C7F81

Preview Lab

Preview with #3E81AB

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

Preview Lab → · Contrast checker → · Palette generator →