#2A87B1#2A87B1

#2A87B1 is a mid, moderate cyan. Relative luminance 0.210; OKLCH L 58.9% C 0.106 H 232.5°. Best body text is #000000 at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#2A87B1
RGB	rgb(42, 135, 177)
HSL	hsl(199, 62%, 43%)
HSV	hsv(199, 76%, 69%)
CMYK	cmyk(76.3%, 23.7%, 0%, 30.6%)
CIE-LAB	lab(52.94, -12.43, -29.79)
CIE-LCH	lch(52.94, 32.28, 247.35°)
OKLab	oklab(58.88% -0.0643 -0.0839)
OKLCH	oklch(58.88% 0.106 232.5)
XYZ	xyz(17.5514, 20.9924, 44.7134)
Luminance	0.2099 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A87B1 #B1542A

analogous

#2AB198 #2A87B1 #2A43B1

triadic

#2A87B1 #B12A87 #87B12A

tetradic

#2A87B1 #982AB1 #B1542A #43B12A

square

#2A87B1 #982AB1 #B1542A #43B12A

split-complementary

#2A87B1 #B12A43 #B1982A

monochromatic

#133C4E #1E6180 #2A87B1 #45A7D3 #77BEDF

Accessibility & contrast

On white

4.04

#2A87B1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.20

#2A87B1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2A87B1

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A87B1	#FFFFFF	#000000	##000000
##2A87B1	1.00	4.04	5.20	5.20
#FFFFFF	4.04	1.00	21.00	21.00
#000000	5.20	21.00	1.00	1.00
##000000	5.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7286B3

Deuteranopia (green-blind)

#6079B0

Tritanopia (blue-blind)

#009295

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #2a87b1;
/* rgb */ color: rgb(42, 135, 177);
/* oklch */ color: oklch(58.9% 0.106 232.5);

Tailwind

colors: {
  custom: {
    50: '#78aac8',
    500: '#2a87b1',
    950: '#000000',
  },
}

SCSS

$custom: #2a87b1;
$custom-light: #78aac8;
$custom-dark: #000000;

JSON

{
  "hex": "#2a87b1",
  "rgb": {
    "r": 42,
    "g": 135,
    "b": 177
  },
  "hsl": {
    "h": 198.667,
    "s": 61.644,
    "l": 42.941
  },
  "oklch": {
    "l": 0.58883,
    "c": 0.10566,
    "h": 232.5
  },
  "luminance": 0.20995
}

Semantic roles & 50–950 ramp

primary

#2A87B1

secondary

#C68B70

accent

#7543E5

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #2A87B1

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

Preview Lab → · Contrast checker → · Palette generator →