#3E78BE#3E78BE

#3E78BE is a mid, vivid cyan. Relative luminance 0.182; OKLCH L 56.7% C 0.125 H 254.5°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#3E78BE
RGB	rgb(62, 120, 190)
HSL	hsl(213, 51%, 49%)
HSV	hsv(213, 67%, 75%)
CMYK	cmyk(67.4%, 36.8%, 0%, 25.5%)
CIE-LAB	lab(49.71, 3.89, -42.31)
CIE-LCH	lch(49.71, 42.48, 275.25°)
OKLab	oklab(56.71% -0.0334 -0.1202)
OKLCH	oklch(56.71% 0.125 254.5)
XYZ	xyz(17.9939, 18.1729, 51.2646)
Luminance	0.1817 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E78BE #BE843E

analogous

#3EB8BE #3E78BE #443EBE

triadic

#3E78BE #BE3E78 #78BE3E

tetradic

#3E78BE #BE3EB8 #BE843E #3EBE44

square

#3E78BE #BE3EB8 #BE843E #3EBE44

split-complementary

#3E78BE #BE443E #B8BE3E

monochromatic

#203E62 #2F5B90 #3E78BE #6B98CF #99B8DE

Accessibility & contrast

On white

4.53

#3E78BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.64

#3E78BE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3E78BE

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E78BE	#FFFFFF	#000000	##000000
##3E78BE	1.00	4.53	4.64	4.64
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.64	21.00	1.00	1.00
##000000	4.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#597DC1

Deuteranopia (green-blind)

#4671BD

Tritanopia (blue-blind)

#008892

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3e78be;
/* rgb */ color: rgb(62, 120, 190);
/* oklch */ color: oklch(56.7% 0.125 254.5);

Tailwind

colors: {
  custom: {
    50: '#819ed2',
    500: '#3e78be',
    950: '#000000',
  },
}

SCSS

$custom: #3e78be;
$custom-light: #819ed2;
$custom-dark: #000000;

JSON

{
  "hex": "#3e78be",
  "rgb": {
    "r": 62,
    "g": 120,
    "b": 190
  },
  "hsl": {
    "h": 212.813,
    "s": 50.794,
    "l": 49.412
  },
  "oklch": {
    "l": 0.56705,
    "c": 0.12478,
    "h": 254.5
  },
  "luminance": 0.18175
}

Semantic roles & 50–950 ramp

primary

#3E78BE

secondary

#C9AF8E

accent

#9A4EDA

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3E78BE

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

Preview Lab → · Contrast checker → · Palette generator →