#3E81BC#3E81BC

#3E81BC is a mid, moderate cyan. Relative luminance 0.204; OKLCH L 58.7% C 0.114 H 247.7°. Best body text is #000000 at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#3E81BC
RGB	rgb(62, 129, 188)
HSL	hsl(208, 50%, 49%)
HSV	hsv(208, 67%, 74%)
CMYK	cmyk(67%, 31.4%, 0%, 26.3%)
CIE-LAB	lab(52.23, -2.22, -37.17)
CIE-LCH	lch(52.23, 37.23, 266.58°)
OKLab	oklab(58.66% -0.0431 -0.1051)
OKLCH	oklch(58.66% 0.114 247.7)
XYZ	xyz(18.9106, 20.3535, 50.4992)
Luminance	0.2036 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E81BC #BC793E

analogous

#3EBCB8 #3E81BC #3E42BC

triadic

#3E81BC #BC3E81 #81BC3E

tetradic

#3E81BC #B83EBC #BC793E #42BC3E

square

#3E81BC #B83EBC #BC793E #42BC3E

split-complementary

#3E81BC #BC3E42 #BCB83E

monochromatic

#204260 #2F618E #3E81BC #6A9FCE #98BCDD

Accessibility & contrast

On white

4.14

#3E81BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.07

#3E81BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3E81BC

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E81BC	#FFFFFF	#000000	##000000
##3E81BC	1.00	4.14	5.07	5.07
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.07	21.00	1.00	1.00
##000000	5.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6783BF

Deuteranopia (green-blind)

#5677BB

Tritanopia (blue-blind)

#008F96

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #3e81bc;
/* rgb */ color: rgb(62, 129, 188);
/* oklch */ color: oklch(58.7% 0.114 247.7);

Tailwind

colors: {
  custom: {
    50: '#81a5d0',
    500: '#3e81bc',
    950: '#000000',
  },
}

SCSS

$custom: #3e81bc;
$custom-light: #81a5d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3e81bc",
  "rgb": {
    "r": 62,
    "g": 129,
    "b": 188
  },
  "hsl": {
    "h": 208.095,
    "s": 50.4,
    "l": 49.02
  },
  "oklch": {
    "l": 0.58655,
    "c": 0.11361,
    "h": 247.7
  },
  "luminance": 0.20355
}

Semantic roles & 50–950 ramp

primary

#3E81BC

secondary

#C9A98D

accent

#8F4EDA

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3E81BC

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

Preview Lab → · Contrast checker → · Palette generator →