#2A78AA#2A78AA

#2A78AA is a mid, moderate cyan. Relative luminance 0.168; OKLCH L 54.9% C 0.108 H 241.2°. Best body text is #FFFFFF at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#2A78AA
RGB	rgb(42, 120, 170)
HSL	hsl(203, 60%, 42%)
HSV	hsv(203, 75%, 67%)
CMYK	cmyk(75.3%, 29.4%, 0%, 33.3%)
CIE-LAB	lab(48.04, -6.29, -33.40)
CIE-LCH	lch(48.04, 33.99, 259.34°)
OKLab	oklab(54.88% -0.052 -0.0945)
OKLCH	oklch(54.88% 0.108 241.2)
XYZ	xyz(14.9242, 16.8257, 40.4836)
Luminance	0.1683 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A78AA #AA5C2A

analogous

#2AAA9C #2A78AA #2A38AA

triadic

#2A78AA #AA2A78 #78AA2A

tetradic

#2A78AA #9C2AAA #AA5C2A #38AA2A

square

#2A78AA #9C2AAA #AA5C2A #38AA2A

split-complementary

#2A78AA #AA2A38 #AA9C2A

monochromatic

#123348 #1E5579 #2A78AA #4198D0 #72B3DC

Accessibility & contrast

On white

4.81

#2A78AA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#2A78AA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A78AA

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A78AA	#FFFFFF	#000000	##FFFFFF
##2A78AA	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: #2a78aa;
/* rgb */ color: rgb(42, 120, 170);
/* oklch */ color: oklch(54.9% 0.108 241.2);

Tailwind

colors: {
  custom: {
    50: '#769ec3',
    500: '#2a78aa',
    950: '#000000',
  },
}

SCSS

$custom: #2a78aa;
$custom-light: #769ec3;
$custom-dark: #000000;

JSON

{
  "hex": "#2a78aa",
  "rgb": {
    "r": 42,
    "g": 120,
    "b": 170
  },
  "hsl": {
    "h": 203.438,
    "s": 60.377,
    "l": 41.569
  },
  "oklch": {
    "l": 0.54881,
    "c": 0.10783,
    "h": 241.2
  },
  "luminance": 0.16827
}

Semantic roles & 50–950 ramp

primary

#2A78AA

secondary

#C38E6C

accent

#8244E4

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #2A78AA

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

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