#2A78AF#2A78AF

#2A78AF is a mid, moderate cyan. Relative luminance 0.170; OKLCH L 55.2% C 0.114 H 243.7°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#2A78AF
RGB	rgb(42, 120, 175)
HSL	hsl(205, 61%, 43%)
HSV	hsv(205, 76%, 69%)
CMYK	cmyk(76%, 31.4%, 0%, 31.4%)
CIE-LAB	lab(48.28, -4.46, -35.93)
CIE-LCH	lch(48.28, 36.20, 262.92°)
OKLab	oklab(55.15% -0.0504 -0.1018)
OKLCH	oklch(55.15% 0.114 243.7)
XYZ	xyz(15.4062, 17.0185, 43.0221)
Luminance	0.1702 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A78AF #AF612A

analogous

#2AAFA3 #2A78AF #2A36AF

triadic

#2A78AF #AF2A78 #78AF2A

tetradic

#2A78AF #A32AAF #AF612A #36AF2A

square

#2A78AF #A32AAF #AF612A #36AF2A

split-complementary

#2A78AF #AF2A36 #AFA32A

monochromatic

#12344C #1E567E #2A78AF #4497D2 #75B3DE

Accessibility & contrast

On white

4.77

#2A78AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#2A78AF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A78AF

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A78AF	#FFFFFF	#000000	##FFFFFF
##2A78AF	1.00	4.77	4.40	4.77
#FFFFFF	4.77	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F79B1

Deuteranopia (green-blind)

#4C6DAE

Tritanopia (blue-blind)

#00858C

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #2a78af;
/* rgb */ color: rgb(42, 120, 175);
/* oklch */ color: oklch(55.2% 0.114 243.7);

Tailwind

colors: {
  custom: {
    50: '#769ec7',
    500: '#2a78af',
    950: '#000000',
  },
}

SCSS

$custom: #2a78af;
$custom-light: #769ec7;
$custom-dark: #000000;

JSON

{
  "hex": "#2a78af",
  "rgb": {
    "r": 42,
    "g": 120,
    "b": 175
  },
  "hsl": {
    "h": 204.812,
    "s": 61.29,
    "l": 42.549
  },
  "oklch": {
    "l": 0.55154,
    "c": 0.11361,
    "h": 243.7
  },
  "luminance": 0.1702
}

Semantic roles & 50–950 ramp

primary

#2A78AF

secondary

#C6936F

accent

#8643E4

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2A78AF

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

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