#3E81B2#3E81B2

#3E81B2 is a mid, moderate cyan. Relative luminance 0.199; OKLCH L 58.1% C 0.102 H 243.0°. Best body text is #000000 at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#3E81B2
RGB	rgb(62, 129, 178)
HSL	hsl(205, 48%, 47%)
HSV	hsv(205, 65%, 70%)
CMYK	cmyk(65.2%, 27.5%, 0%, 30.2%)
CIE-LAB	lab(51.77, -5.66, -32.16)
CIE-LCH	lch(51.77, 32.65, 260.02°)
OKLab	oklab(58.13% -0.0462 -0.0906)
OKLCH	oklch(58.13% 0.102 243)
XYZ	xyz(17.8697, 19.9372, 45.0174)
Luminance	0.1994 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E81B2 #B26F3E

analogous

#3EB2A9 #3E81B2 #3E47B2

triadic

#3E81B2 #B23E81 #81B23E

tetradic

#3E81B2 #A93EB2 #B26F3E #47B23E

square

#3E81B2 #A93EB2 #B26F3E #47B23E

split-complementary

#3E81B2 #B23E47 #B2A93E

monochromatic

#1E3F57 #2E6085 #3E81B2 #649EC9 #92BBD9

Accessibility & contrast

On white

4.21

#3E81B2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.99

#3E81B2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3E81B2

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E81B2	#FFFFFF	#000000	##000000
##3E81B2	1.00	4.21	4.99	4.99
#FFFFFF	4.21	1.00	21.00	21.00
#000000	4.99	21.00	1.00	1.00
##000000	4.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B82B4

Deuteranopia (green-blind)

#5B76B1

Tritanopia (blue-blind)

#008D92

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #3e81b2;
/* rgb */ color: rgb(62, 129, 178);
/* oklch */ color: oklch(58.1% 0.102 243.0);

Tailwind

colors: {
  custom: {
    50: '#7fa5c9',
    500: '#3e81b2',
    950: '#000000',
  },
}

SCSS

$custom: #3e81b2;
$custom-light: #7fa5c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3e81b2",
  "rgb": {
    "r": 62,
    "g": 129,
    "b": 178
  },
  "hsl": {
    "h": 205.345,
    "s": 48.333,
    "l": 47.059
  },
  "oklch": {
    "l": 0.58132,
    "c": 0.10169,
    "h": 243
  },
  "luminance": 0.19939
}

Semantic roles & 50–950 ramp

primary

#3E81B2

secondary

#C4A188

accent

#8950D8

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #3E81B2

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

Preview Lab → · Contrast checker → · Palette generator →