#2857AF#2857AF

#2857AF is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.5% C 0.150 H 261.5°. Best body text is #FFFFFF at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#2857AF
RGB	rgb(40, 87, 175)
HSL	hsl(219, 63%, 42%)
HSV	hsv(219, 77%, 69%)
CMYK	cmyk(77.1%, 50.3%, 0%, 31.4%)
CIE-LAB	lab(38.48, 16.12, -51.55)
CIE-LCH	lch(38.48, 54.02, 287.36°)
OKLab	oklab(47.51% -0.0221 -0.1483)
OKLCH	oklch(47.51% 0.15 261.5)
XYZ	xyz(12.0183, 10.3613, 41.9156)
Luminance	0.1036 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2857AF #AF8028

analogous

#289BAF #2857AF #3C28AF

triadic

#2857AF #AF2857 #57AF28

tetradic

#2857AF #AF289B #AF8028 #28AF3C

square

#2857AF #AF289B #AF8028 #28AF3C

split-complementary

#2857AF #AF3C28 #9BAF28

monochromatic

#11254B #1D3E7D #2857AF #4174D4 #7398DF

Accessibility & contrast

On white

6.83

#2857AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#2857AF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2857AF

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2857AF	#FFFFFF	#000000	##FFFFFF
##2857AF	1.00	6.83	3.07	6.83
#FFFFFF	6.83	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2261B2

Deuteranopia (green-blind)

#0055AD

Tritanopia (blue-blind)

#006C7A

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #2857af;
/* rgb */ color: rgb(40, 87, 175);
/* oklch */ color: oklch(47.5% 0.150 261.5);

Tailwind

colors: {
  custom: {
    50: '#7685c7',
    500: '#2857af',
    950: '#000000',
  },
}

SCSS

$custom: #2857af;
$custom-light: #7685c7;
$custom-dark: #000000;

JSON

{
  "hex": "#2857af",
  "rgb": {
    "r": 40,
    "g": 87,
    "b": 175
  },
  "hsl": {
    "h": 219.111,
    "s": 62.791,
    "l": 42.157
  },
  "oklch": {
    "l": 0.47507,
    "c": 0.1499,
    "h": 261.5
  },
  "luminance": 0.10363
}

Semantic roles & 50–950 ramp

primary

#2857AF

secondary

#C6A76D

accent

#AD42E6

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2857AF

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

Preview Lab → · Contrast checker → · Palette generator →