#3B78BF#3B78BF

#3B78BF is a mid, vivid cyan. Relative luminance 0.181; OKLCH L 56.6% C 0.127 H 253.9°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#3B78BF
RGB	rgb(59, 120, 191)
HSL	hsl(212, 53%, 49%)
HSV	hsv(212, 69%, 75%)
CMYK	cmyk(69.1%, 37.2%, 0%, 25.1%)
CIE-LAB	lab(49.64, 3.76, -42.98)
CIE-LCH	lch(49.64, 43.15, 275.00°)
OKLab	oklab(56.64% -0.0353 -0.1222)
OKLCH	oklch(56.64% 0.127 253.9)
XYZ	xyz(17.9206, 18.1225, 51.8337)
Luminance	0.1812 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B78BF #BF823B

analogous

#3BBABF #3B78BF #403BBF

triadic

#3B78BF #BF3B78 #78BF3B

tetradic

#3B78BF #BF3BBA #BF823B #3BBF40

square

#3B78BF #BF3BBA #BF823B #3BBF40

split-complementary

#3B78BF #BF403B #BABF3B

monochromatic

#1E3D61 #2D5B90 #3B78BF #6798D0 #96B7DF

Accessibility & contrast

On white

4.54

#3B78BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.62

#3B78BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B78BF

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B78BF	#FFFFFF	#000000	##000000
##3B78BF	1.00	4.54	4.62	4.62
#FFFFFF	4.54	1.00	21.00	21.00
#000000	4.62	21.00	1.00	1.00
##000000	4.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#587DC2

Deuteranopia (green-blind)

#4570BE

Tritanopia (blue-blind)

#008992

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3b78bf;
/* rgb */ color: rgb(59, 120, 191);
/* oklch */ color: oklch(56.6% 0.127 253.9);

Tailwind

colors: {
  custom: {
    50: '#809ed2',
    500: '#3b78bf',
    950: '#000000',
  },
}

SCSS

$custom: #3b78bf;
$custom-light: #809ed2;
$custom-dark: #000000;

JSON

{
  "hex": "#3b78bf",
  "rgb": {
    "r": 59,
    "g": 120,
    "b": 191
  },
  "hsl": {
    "h": 212.273,
    "s": 52.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.56643,
    "c": 0.12725,
    "h": 253.9
  },
  "luminance": 0.18124
}

Semantic roles & 50–950 ramp

primary

#3B78BF

secondary

#CAAD8C

accent

#994CDC

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3B78BF

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

Preview Lab → · Contrast checker → · Palette generator →