#2A87B3#2A87B3

#2A87B3 is a mid, moderate cyan. Relative luminance 0.211; OKLCH L 59.0% C 0.108 H 233.8°. Best body text is #000000 at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#2A87B3
RGB	rgb(42, 135, 179)
HSL	hsl(199, 62%, 43%)
HSV	hsv(199, 77%, 70%)
CMYK	cmyk(76.5%, 24.6%, 0%, 29.8%)
CIE-LAB	lab(53.03, -11.73, -30.81)
CIE-LCH	lch(53.03, 32.96, 249.15°)
OKLab	oklab(58.98% -0.0636 -0.0868)
OKLCH	oklch(58.98% 0.108 233.8)
XYZ	xyz(17.7522, 21.0727, 45.7709)
Luminance	0.2107 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A87B3 #B3562A

analogous

#2AB39A #2A87B3 #2A42B3

triadic

#2A87B3 #B32A87 #87B32A

tetradic

#2A87B3 #9A2AB3 #B3562A #42B32A

square

#2A87B3 #9A2AB3 #B3562A #42B32A

split-complementary

#2A87B3 #B32A42 #B39A2A

monochromatic

#133C50 #1E6281 #2A87B3 #46A6D4 #78BEDF

Accessibility & contrast

On white

4.03

#2A87B3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.21

#2A87B3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2A87B3

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A87B3	#FFFFFF	#000000	##000000
##2A87B3	1.00	4.03	5.21	5.21
#FFFFFF	4.03	1.00	21.00	21.00
#000000	5.21	21.00	1.00	1.00
##000000	5.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7186B5

Deuteranopia (green-blind)

#5F79B2

Tritanopia (blue-blind)

#009396

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #2a87b3;
/* rgb */ color: rgb(42, 135, 179);
/* oklch */ color: oklch(59.0% 0.108 233.8);

Tailwind

colors: {
  custom: {
    50: '#78aaca',
    500: '#2a87b3',
    950: '#000000',
  },
}

SCSS

$custom: #2a87b3;
$custom-light: #78aaca;
$custom-dark: #000000;

JSON

{
  "hex": "#2a87b3",
  "rgb": {
    "r": 42,
    "g": 135,
    "b": 179
  },
  "hsl": {
    "h": 199.27,
    "s": 61.991,
    "l": 43.333
  },
  "oklch": {
    "l": 0.58982,
    "c": 0.10757,
    "h": 233.8
  },
  "luminance": 0.21075
}

Semantic roles & 50–950 ramp

primary

#2A87B3

secondary

#C78D72

accent

#7743E5

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #2A87B3

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

Preview Lab → · Contrast checker → · Palette generator →