#2857B6#2857B6

#2857B6 is a mid, vivid blue. Relative luminance 0.106; OKLCH L 48.0% C 0.159 H 262.3°. Best body text is #FFFFFF at 6.71:1 contrast (WCAG AA passes).

Color values

HEX	#2857B6
RGB	rgb(40, 87, 182)
HSL	hsl(220, 64%, 44%)
HSV	hsv(220, 78%, 71%)
CMYK	cmyk(78%, 52.2%, 0%, 28.6%)
CIE-LAB	lab(38.97, 18.82, -54.89)
CIE-LCH	lch(38.97, 58.02, 288.93°)
OKLab	oklab(48.04% -0.0213 -0.1581)
OKLCH	oklch(48.04% 0.159 262.3)
XYZ	xyz(12.7237, 10.6434, 45.6307)
Luminance	0.1065 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2857B6 #B68728

analogous

#289EB6 #2857B6 #4028B6

triadic

#2857B6 #B62857 #57B628

tetradic

#2857B6 #B6289E #B68728 #28B640

square

#2857B6 #B6289E #B68728 #28B640

split-complementary

#2857B6 #B64028 #9EB628

monochromatic

#122752 #1D3F84 #2857B6 #4575D6 #779AE1

Accessibility & contrast

On white

6.71

#2857B6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#2857B6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2857B6

6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2857B6	#FFFFFF	#000000	##FFFFFF
##2857B6	1.00	6.71	3.13	6.71
#FFFFFF	6.71	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1563B9

Deuteranopia (green-blind)

#0056B4

Tritanopia (blue-blind)

#006E7E

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #2857b6;
/* rgb */ color: rgb(40, 87, 182);
/* oklch */ color: oklch(48.0% 0.159 262.3);

Tailwind

colors: {
  custom: {
    50: '#7885cd',
    500: '#2857b6',
    950: '#000000',
  },
}

SCSS

$custom: #2857b6;
$custom-light: #7885cd;
$custom-dark: #000000;

JSON

{
  "hex": "#2857b6",
  "rgb": {
    "r": 40,
    "g": 87,
    "b": 182
  },
  "hsl": {
    "h": 220.141,
    "s": 63.964,
    "l": 43.529
  },
  "oklch": {
    "l": 0.48037,
    "c": 0.15949,
    "h": 262.3
  },
  "luminance": 0.10645
}

Semantic roles & 50–950 ramp

primary

#2857B6

secondary

#C9AC71

accent

#B041E7

background

#F7F8FC

surface

#EEEFF9

border

#C9CAD2

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2857B6

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

Preview Lab → · Contrast checker → · Palette generator →