#2857BD#2857BD

#2857BD is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.6% C 0.169 H 263.0°. Best body text is #FFFFFF at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#2857BD
RGB	rgb(40, 87, 189)
HSL	hsl(221, 65%, 45%)
HSV	hsv(221, 79%, 74%)
CMYK	cmyk(78.8%, 54%, 0%, 25.9%)
CIE-LAB	lab(39.48, 21.52, -58.17)
CIE-LCH	lch(39.48, 62.02, 290.30°)
OKLab	oklab(48.58% -0.0206 -0.1677)
OKLCH	oklch(48.58% 0.169 263)
XYZ	xyz(13.4653, 10.9401, 49.5362)
Luminance	0.1094 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2857BD #BD8E28

analogous

#28A2BD #2857BD #4428BD

triadic

#2857BD #BD2857 #57BD28

tetradic

#2857BD #BD28A2 #BD8E28 #28BD44

square

#2857BD #BD28A2 #BD8E28 #28BD44

split-complementary

#2857BD #BD4428 #A2BD28

monochromatic

#132858 #1D408A #2857BD #4A77D9 #7C9DE3

Accessibility & contrast

On white

6.59

#2857BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#2857BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2857BD

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2857BD	#FFFFFF	#000000	##FFFFFF
##2857BD	1.00	6.59	3.19	6.59
#FFFFFF	6.59	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064C1

Deuteranopia (green-blind)

#0056BB

Tritanopia (blue-blind)

#007081

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #2857bd;
/* rgb */ color: rgb(40, 87, 189);
/* oklch */ color: oklch(48.6% 0.169 263.0);

Tailwind

colors: {
  custom: {
    50: '#7985d2',
    500: '#2857bd',
    950: '#000000',
  },
}

SCSS

$custom: #2857bd;
$custom-light: #7985d2;
$custom-dark: #000000;

JSON

{
  "hex": "#2857bd",
  "rgb": {
    "r": 40,
    "g": 87,
    "b": 189
  },
  "hsl": {
    "h": 221.074,
    "s": 65.066,
    "l": 44.902
  },
  "oklch": {
    "l": 0.48582,
    "c": 0.16898,
    "h": 263
  },
  "luminance": 0.10942
}

Semantic roles & 50–950 ramp

primary

#2857BD

secondary

#CBB075

accent

#B340E8

background

#F8F8FD

surface

#EFEFFA

border

#CACAD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #2857BD

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

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