#2857A8#2857A8

#2857A8 is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.0% C 0.140 H 260.5°. Best body text is #FFFFFF at 6.96:1 contrast (WCAG AA passes).

Color values

HEX	#2857A8
RGB	rgb(40, 87, 168)
HSL	hsl(218, 62%, 41%)
HSV	hsv(218, 76%, 66%)
CMYK	cmyk(76.2%, 48.2%, 0%, 34.1%)
CIE-LAB	lab(38.01, 13.41, -48.17)
CIE-LCH	lch(38.01, 50.00, 285.56°)
OKLab	oklab(46.99% -0.0232 -0.1383)
OKLCH	oklch(46.99% 0.14 260.5)
XYZ	xyz(11.3486, 10.0934, 38.3883)
Luminance	0.1009 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2857A8 #A87928

analogous

#2897A8 #2857A8 #3928A8

triadic

#2857A8 #A82857 #57A828

tetradic

#2857A8 #A82897 #A87928 #28A839

square

#2857A8 #A82897 #A87928 #28A839

split-complementary

#2857A8 #A83928 #97A828

monochromatic

#102445 #1C3D77 #2857A8 #3D73D1 #6E97DC

Accessibility & contrast

On white

6.96

#2857A8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#2857A8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2857A8

6.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2857A8	#FFFFFF	#000000	##FFFFFF
##2857A8	1.00	6.96	3.02	6.96
#FFFFFF	6.96	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A60AB

Deuteranopia (green-blind)

#0254A6

Tritanopia (blue-blind)

#006A77

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #2857a8;
/* rgb */ color: rgb(40, 87, 168);
/* oklch */ color: oklch(47.0% 0.140 260.5);

Tailwind

colors: {
  custom: {
    50: '#7485c2',
    500: '#2857a8',
    950: '#000000',
  },
}

SCSS

$custom: #2857a8;
$custom-light: #7485c2;
$custom-dark: #000000;

JSON

{
  "hex": "#2857a8",
  "rgb": {
    "r": 40,
    "g": 87,
    "b": 168
  },
  "hsl": {
    "h": 217.969,
    "s": 61.538,
    "l": 40.784
  },
  "oklch": {
    "l": 0.46993,
    "c": 0.14023,
    "h": 260.5
  },
  "luminance": 0.10095
}

Semantic roles & 50–950 ramp

primary

#2857A8

secondary

#C3A269

accent

#A943E5

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #2857A8

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

Preview Lab → · Contrast checker → · Palette generator →