#2857A3#2857A3

#2857A3 is a mid, vivid blue. Relative luminance 0.099; OKLCH L 46.6% C 0.133 H 259.6°. Best body text is #FFFFFF at 7.04:1 contrast (WCAG AA passes).

Color values

HEX	#2857A3
RGB	rgb(40, 87, 163)
HSL	hsl(217, 61%, 40%)
HSV	hsv(217, 75%, 64%)
CMYK	cmyk(75.5%, 46.6%, 0%, 36.1%)
CIE-LAB	lab(37.68, 11.47, -45.72)
CIE-LCH	lch(37.68, 47.14, 284.09°)
OKLab	oklab(46.64% -0.024 -0.1311)
OKLCH	oklch(46.64% 0.133 259.6)
XYZ	xyz(10.8917, 9.9106, 35.9821)
Luminance	0.0991 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2857A3 #A37428

analogous

#2895A3 #2857A3 #3628A3

triadic

#2857A3 #A32857 #57A328

tetradic

#2857A3 #A32895 #A37428 #28A336

square

#2857A3 #A32895 #A37428 #28A336

split-complementary

#2857A3 #A33628 #95A328

monochromatic

#102341 #1C3D72 #2857A3 #3A73CF #6B96DB

Accessibility & contrast

On white

7.04

#2857A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#2857A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2857A3

7.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2857A3	#FFFFFF	#000000	##FFFFFF
##2857A3	1.00	7.04	2.98	7.04
#FFFFFF	7.04	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F5FA6

Deuteranopia (green-blind)

#1353A1

Tritanopia (blue-blind)

#006975

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #2857a3;
/* rgb */ color: rgb(40, 87, 163);
/* oklch */ color: oklch(46.6% 0.133 259.6);

Tailwind

colors: {
  custom: {
    50: '#7385bf',
    500: '#2857a3',
    950: '#000000',
  },
}

SCSS

$custom: #2857a3;
$custom-light: #7385bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2857a3",
  "rgb": {
    "r": 40,
    "g": 87,
    "b": 163
  },
  "hsl": {
    "h": 217.073,
    "s": 60.591,
    "l": 39.804
  },
  "oklch": {
    "l": 0.46635,
    "c": 0.13327,
    "h": 259.6
  },
  "luminance": 0.09912
}

Semantic roles & 50–950 ramp

primary

#2857A3

secondary

#C19E66

accent

#A744E4

background

#F7F8FB

surface

#EDEFF7

border

#C8CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #2857A3

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

Preview Lab → · Contrast checker → · Palette generator →