#2487B3#2487B3

#2487B3 is a mid, moderate cyan. Relative luminance 0.210; OKLCH L 58.8% C 0.110 H 232.9°. Best body text is #000000 at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#2487B3
RGB	rgb(36, 135, 179)
HSL	hsl(198, 67%, 42%)
HSV	hsv(198, 80%, 70%)
CMYK	cmyk(79.9%, 24.6%, 0%, 29.8%)
CIE-LAB	lab(52.90, -12.40, -31.02)
CIE-LCH	lch(52.90, 33.40, 248.20°)
OKLab	oklab(58.84% -0.0661 -0.0874)
OKLCH	oklch(58.84% 0.11 232.9)
XYZ	xyz(17.5249, 20.9555, 45.7603)
Luminance	0.2096 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2487B3 #B35024

analogous

#24B398 #2487B3 #243FB3

triadic

#2487B3 #B32487 #87B324

tetradic

#2487B3 #9824B3 #B35024 #3FB324

square

#2487B3 #9824B3 #B35024 #3FB324

split-complementary

#2487B3 #B3243F #B39824

monochromatic

#103A4D #1A6180 #2487B3 #3CA8D8 #6FBFE2

Accessibility & contrast

On white

4.04

#2487B3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.19

#2487B3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2487B3

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2487B3	#FFFFFF	#000000	##000000
##2487B3	1.00	4.04	5.19	5.19
#FFFFFF	4.04	1.00	21.00	21.00
#000000	5.19	21.00	1.00	1.00
##000000	5.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7186B5

Deuteranopia (green-blind)

#5E78B2

Tritanopia (blue-blind)

#009396

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #2487b3;
/* rgb */ color: rgb(36, 135, 179);
/* oklch */ color: oklch(58.8% 0.110 232.9);

Tailwind

colors: {
  custom: {
    50: '#76aaca',
    500: '#2487b3',
    950: '#000000',
  },
}

SCSS

$custom: #2487b3;
$custom-light: #76aaca;
$custom-dark: #000000;

JSON

{
  "hex": "#2487b3",
  "rgb": {
    "r": 36,
    "g": 135,
    "b": 179
  },
  "hsl": {
    "h": 198.462,
    "s": 66.512,
    "l": 42.157
  },
  "oklch": {
    "l": 0.58843,
    "c": 0.10964,
    "h": 232.9
  },
  "luminance": 0.20958
}

Semantic roles & 50–950 ramp

primary

#2487B3

secondary

#C9876A

accent

#733EE9

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #2487B3

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

Preview Lab → · Contrast checker → · Palette generator →