#2B78AD#2B78AD

#2B78AD is a mid, moderate cyan. Relative luminance 0.170; OKLCH L 55.1% C 0.111 H 242.9°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#2B78AD
RGB	rgb(43, 120, 173)
HSL	hsl(204, 60%, 42%)
HSV	hsv(204, 75%, 68%)
CMYK	cmyk(75.1%, 30.6%, 0%, 32.2%)
CIE-LAB	lab(48.21, -5.07, -34.87)
CIE-LCH	lch(48.21, 35.24, 261.73°)
OKLab	oklab(55.07% -0.0505 -0.0987)
OKLCH	oklch(55.07% 0.111 242.9)
XYZ	xyz(15.2526, 16.9619, 41.9972)
Luminance	0.1696 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B78AD #AD602B

analogous

#2BADA1 #2B78AD #2B37AD

triadic

#2B78AD #AD2B78 #78AD2B

tetradic

#2B78AD #A12BAD #AD602B #37AD2B

square

#2B78AD #A12BAD #AD602B #37AD2B

split-complementary

#2B78AD #AD2B37 #ADA12B

monochromatic

#13344B #1F567C #2B78AD #4598D1 #76B3DD

Accessibility & contrast

On white

4.78

#2B78AD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#2B78AD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B78AD

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B78AD	#FFFFFF	#000000	##FFFFFF
##2B78AD	1.00	4.78	4.39	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6079AF

Deuteranopia (green-blind)

#4E6DAC

Tritanopia (blue-blind)

#00858B

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #2b78ad;
/* rgb */ color: rgb(43, 120, 173);
/* oklch */ color: oklch(55.1% 0.111 242.9);

Tailwind

colors: {
  custom: {
    50: '#769ec5',
    500: '#2b78ad',
    950: '#000000',
  },
}

SCSS

$custom: #2b78ad;
$custom-light: #769ec5;
$custom-dark: #000000;

JSON

{
  "hex": "#2b78ad",
  "rgb": {
    "r": 43,
    "g": 120,
    "b": 173
  },
  "hsl": {
    "h": 204.462,
    "s": 60.185,
    "l": 42.353
  },
  "oklch": {
    "l": 0.55073,
    "c": 0.1109,
    "h": 242.9
  },
  "luminance": 0.16964
}

Semantic roles & 50–950 ramp

primary

#2B78AD

secondary

#C4926F

accent

#8544E3

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2B78AD

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

Preview Lab → · Contrast checker → · Palette generator →