#2A78AD#2A78AD

#2A78AD is a mid, moderate cyan. Relative luminance 0.169; OKLCH L 55.0% C 0.111 H 242.7°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#2A78AD
RGB	rgb(42, 120, 173)
HSL	hsl(204, 61%, 42%)
HSV	hsv(204, 76%, 68%)
CMYK	cmyk(75.7%, 30.6%, 0%, 32.2%)
CIE-LAB	lab(48.19, -5.20, -34.92)
CIE-LCH	lch(48.19, 35.30, 261.54°)
OKLab	oklab(55.04% -0.051 -0.0989)
OKLCH	oklch(55.04% 0.111 242.7)
XYZ	xyz(15.2112, 16.9405, 41.9952)
Luminance	0.1694 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A78AD #AD5F2A

analogous

#2AADA1 #2A78AD #2A36AD

triadic

#2A78AD #AD2A78 #78AD2A

tetradic

#2A78AD #A12AAD #AD5F2A #36AD2A

square

#2A78AD #A12AAD #AD5F2A #36AD2A

split-complementary

#2A78AD #AD2A36 #ADA12A

monochromatic

#12344B #1E567C #2A78AD #4398D1 #74B3DD

Accessibility & contrast

On white

4.79

#2A78AD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#2A78AD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A78AD

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A78AD	#FFFFFF	#000000	##FFFFFF
##2A78AD	1.00	4.79	4.39	4.79
#FFFFFF	4.79	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F79AF

Deuteranopia (green-blind)

#4D6DAC

Tritanopia (blue-blind)

#00858B

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #2a78ad;
/* rgb */ color: rgb(42, 120, 173);
/* oklch */ color: oklch(55.0% 0.111 242.7);

Tailwind

colors: {
  custom: {
    50: '#769ec5',
    500: '#2a78ad',
    950: '#000000',
  },
}

SCSS

$custom: #2a78ad;
$custom-light: #769ec5;
$custom-dark: #000000;

JSON

{
  "hex": "#2a78ad",
  "rgb": {
    "r": 42,
    "g": 120,
    "b": 173
  },
  "hsl": {
    "h": 204.275,
    "s": 60.93,
    "l": 42.157
  },
  "oklch": {
    "l": 0.55044,
    "c": 0.11128,
    "h": 242.7
  },
  "luminance": 0.16942
}

Semantic roles & 50–950 ramp

primary

#2A78AD

secondary

#C5916E

accent

#8544E4

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2A78AD

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

Preview Lab → · Contrast checker → · Palette generator →