#3E81BB#3E81BB

#3E81BB is a mid, moderate cyan. Relative luminance 0.203; OKLCH L 58.6% C 0.112 H 247.3°. Best body text is #000000 at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#3E81BB
RGB	rgb(62, 129, 187)
HSL	hsl(208, 50%, 49%)
HSV	hsv(208, 67%, 73%)
CMYK	cmyk(66.8%, 31%, 0%, 26.7%)
CIE-LAB	lab(52.19, -2.57, -36.67)
CIE-LCH	lch(52.19, 36.76, 265.99°)
OKLab	oklab(58.6% -0.0434 -0.1037)
OKLCH	oklch(58.6% 0.112 247.3)
XYZ	xyz(18.8031, 20.3106, 49.9335)
Luminance	0.2031 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E81BB #BB783E

analogous

#3EBBB7 #3E81BB #3E43BB

triadic

#3E81BB #BB3E81 #81BB3E

tetradic

#3E81BB #B73EBB #BB783E #43BB3E

square

#3E81BB #B73EBB #BB783E #43BB3E

split-complementary

#3E81BB #BB3E43 #BBB73E

monochromatic

#20425F #2F618D #3E81BB #699FCD #97BCDC

Accessibility & contrast

On white

4.15

#3E81BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.06

#3E81BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3E81BB

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E81BB	#FFFFFF	#000000	##000000
##3E81BB	1.00	4.15	5.06	5.06
#FFFFFF	4.15	1.00	21.00	21.00
#000000	5.06	21.00	1.00	1.00
##000000	5.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6783BE

Deuteranopia (green-blind)

#5677BA

Tritanopia (blue-blind)

#008F96

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #3e81bb;
/* rgb */ color: rgb(62, 129, 187);
/* oklch */ color: oklch(58.6% 0.112 247.3);

Tailwind

colors: {
  custom: {
    50: '#80a5cf',
    500: '#3e81bb',
    950: '#000000',
  },
}

SCSS

$custom: #3e81bb;
$custom-light: #80a5cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3e81bb",
  "rgb": {
    "r": 62,
    "g": 129,
    "b": 187
  },
  "hsl": {
    "h": 207.84,
    "s": 50.201,
    "l": 48.824
  },
  "oklch": {
    "l": 0.58601,
    "c": 0.11239,
    "h": 247.3
  },
  "luminance": 0.20313
}

Semantic roles & 50–950 ramp

primary

#3E81BB

secondary

#C8A88D

accent

#8F4EDA

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3E81BB

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

Preview Lab → · Contrast checker → · Palette generator →