#2478AF#2478AF

#2478AF is a mid, moderate cyan. Relative luminance 0.169; OKLCH L 55.0% C 0.116 H 242.5°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#2478AF
RGB	rgb(36, 120, 175)
HSL	hsl(204, 66%, 41%)
HSV	hsv(204, 79%, 69%)
CMYK	cmyk(79.4%, 31.4%, 0%, 31.4%)
CIE-LAB	lab(48.14, -5.17, -36.17)
CIE-LCH	lch(48.14, 36.54, 261.86°)
OKLab	oklab(55% -0.0534 -0.1026)
OKLCH	oklch(55% 0.116 242.5)
XYZ	xyz(15.1789, 16.9013, 43.0114)
Luminance	0.1690 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2478AF #AF5B24

analogous

#24AFA1 #2478AF #2433AF

triadic

#2478AF #AF2478 #78AF24

tetradic

#2478AF #A124AF #AF5B24 #33AF24

square

#2478AF #A124AF #AF5B24 #33AF24

split-complementary

#2478AF #AF2433 #AFA124

monochromatic

#0F3249 #1A557C #2478AF #3A98D6 #6DB3E1

Accessibility & contrast

On white

4.79

#2478AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#2478AF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2478AF

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2478AF	#FFFFFF	#000000	##FFFFFF
##2478AF	1.00	4.79	4.38	4.79
#FFFFFF	4.79	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E79B1

Deuteranopia (green-blind)

#4B6DAE

Tritanopia (blue-blind)

#00868C

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #2478af;
/* rgb */ color: rgb(36, 120, 175);
/* oklch */ color: oklch(55.0% 0.116 242.5);

Tailwind

colors: {
  custom: {
    50: '#759ec7',
    500: '#2478af',
    950: '#000000',
  },
}

SCSS

$custom: #2478af;
$custom-light: #759ec7;
$custom-dark: #000000;

JSON

{
  "hex": "#2478af",
  "rgb": {
    "r": 36,
    "g": 120,
    "b": 175
  },
  "hsl": {
    "h": 203.741,
    "s": 65.877,
    "l": 41.373
  },
  "oklch": {
    "l": 0.54995,
    "c": 0.11563,
    "h": 242.5
  },
  "luminance": 0.16903
}

Semantic roles & 50–950 ramp

primary

#2478AF

secondary

#C78D68

accent

#823FE9

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2478AF

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

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