#2B78AA#2B78AA

#2B78AA is a mid, moderate cyan. Relative luminance 0.168; OKLCH L 54.9% C 0.107 H 241.4°. Best body text is #FFFFFF at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#2B78AA
RGB	rgb(43, 120, 170)
HSL	hsl(204, 60%, 42%)
HSV	hsv(204, 75%, 67%)
CMYK	cmyk(74.7%, 29.4%, 0%, 33.3%)
CIE-LAB	lab(48.07, -6.16, -33.36)
CIE-LCH	lch(48.07, 33.92, 259.54°)
OKLab	oklab(54.91% -0.0514 -0.0943)
OKLCH	oklch(54.91% 0.107 241.4)
XYZ	xyz(14.9656, 16.8471, 40.4855)
Luminance	0.1685 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B78AA #AA5D2B

analogous

#2BAA9D #2B78AA #2B39AA

triadic

#2B78AA #AA2B78 #78AA2B

tetradic

#2B78AA #9D2BAA #AA5D2B #39AA2B

square

#2B78AA #9D2BAA #AA5D2B #39AA2B

split-complementary

#2B78AA #AA2B39 #AA9D2B

monochromatic

#123348 #1F5679 #2B78AA #4398CF #74B3DC

Accessibility & contrast

On white

4.81

#2B78AA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#2B78AA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B78AA

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B78AA	#FFFFFF	#000000	##FFFFFF
##2B78AA	1.00	4.81	4.37	4.81
#FFFFFF	4.81	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6179AC

Deuteranopia (green-blind)

#4F6DA9

Tritanopia (blue-blind)

#008489

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #2b78aa;
/* rgb */ color: rgb(43, 120, 170);
/* oklch */ color: oklch(54.9% 0.107 241.4);

Tailwind

colors: {
  custom: {
    50: '#769ec3',
    500: '#2b78aa',
    950: '#000000',
  },
}

SCSS

$custom: #2b78aa;
$custom-light: #769ec3;
$custom-dark: #000000;

JSON

{
  "hex": "#2b78aa",
  "rgb": {
    "r": 43,
    "g": 120,
    "b": 170
  },
  "hsl": {
    "h": 203.622,
    "s": 59.624,
    "l": 41.765
  },
  "oklch": {
    "l": 0.5491,
    "c": 0.10745,
    "h": 241.4
  },
  "luminance": 0.16849
}

Semantic roles & 50–950 ramp

primary

#2B78AA

secondary

#C38F6E

accent

#8345E3

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #2B78AA

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

Preview Lab → · Contrast checker → · Palette generator →