#2B78AF#2B78AF

#2B78AF is a mid, moderate cyan. Relative luminance 0.170; OKLCH L 55.2% C 0.113 H 243.9°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#2B78AF
RGB	rgb(43, 120, 175)
HSL	hsl(205, 61%, 43%)
HSV	hsv(205, 75%, 69%)
CMYK	cmyk(75.4%, 31.4%, 0%, 31.4%)
CIE-LAB	lab(48.31, -4.34, -35.88)
CIE-LCH	lch(48.31, 36.14, 263.11°)
OKLab	oklab(55.18% -0.0499 -0.1017)
OKLCH	oklch(55.18% 0.113 243.9)
XYZ	xyz(15.4476, 17.0399, 43.0240)
Luminance	0.1704 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B78AF #AF622B

analogous

#2BAFA4 #2B78AF #2B36AF

triadic

#2B78AF #AF2B78 #78AF2B

tetradic

#2B78AF #A42BAF #AF622B #36AF2B

square

#2B78AF #A42BAF #AF622B #36AF2B

split-complementary

#2B78AF #AF2B36 #AFA42B

monochromatic

#13354D #1F567E #2B78AF #4697D1 #77B3DE

Accessibility & contrast

On white

4.76

#2B78AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#2B78AF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B78AF

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B78AF	#FFFFFF	#000000	##FFFFFF
##2B78AF	1.00	4.76	4.41	4.76
#FFFFFF	4.76	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F7AB1

Deuteranopia (green-blind)

#4C6DAE

Tritanopia (blue-blind)

#00858C

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #2b78af;
/* rgb */ color: rgb(43, 120, 175);
/* oklch */ color: oklch(55.2% 0.113 243.9);

Tailwind

colors: {
  custom: {
    50: '#779ec7',
    500: '#2b78af',
    950: '#000000',
  },
}

SCSS

$custom: #2b78af;
$custom-light: #779ec7;
$custom-dark: #000000;

JSON

{
  "hex": "#2b78af",
  "rgb": {
    "r": 43,
    "g": 120,
    "b": 175
  },
  "hsl": {
    "h": 205,
    "s": 60.55,
    "l": 42.745
  },
  "oklch": {
    "l": 0.55183,
    "c": 0.11325,
    "h": 243.9
  },
  "luminance": 0.17042
}

Semantic roles & 50–950 ramp

primary

#2B78AF

secondary

#C59470

accent

#8744E4

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2B78AF

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

Preview Lab → · Contrast checker → · Palette generator →