#2858AB#2858AB

#2858AB is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.4% C 0.143 H 260.5°. Best body text is #FFFFFF at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#2858AB
RGB	rgb(40, 88, 171)
HSL	hsl(218, 62%, 41%)
HSV	hsv(218, 77%, 67%)
CMYK	cmyk(76.6%, 48.5%, 0%, 32.9%)
CIE-LAB	lab(38.50, 13.91, -49.16)
CIE-LCH	lch(38.50, 51.09, 285.80°)
OKLab	oklab(47.43% -0.0235 -0.1412)
OKLCH	oklch(47.43% 0.143 260.5)
XYZ	xyz(11.7128, 10.3695, 39.9044)
Luminance	0.1037 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2858AB #AB7B28

analogous

#289AAB #2858AB #3A28AB

triadic

#2858AB #AB2858 #58AB28

tetradic

#2858AB #AB289A #AB7B28 #28AB3A

square

#2858AB #AB289A #AB7B28 #28AB3A

split-complementary

#2858AB #AB3A28 #9AAB28

monochromatic

#112548 #1C3E79 #2858AB #3E74D2 #7098DE

Accessibility & contrast

On white

6.83

#2858AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#2858AB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2858AB

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2858AB	#FFFFFF	#000000	##FFFFFF
##2858AB	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)

#2961AE

Deuteranopia (green-blind)

#0055A9

Tritanopia (blue-blind)

#006C79

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #2858ab;
/* rgb */ color: rgb(40, 88, 171);
/* oklch */ color: oklch(47.4% 0.143 260.5);

Tailwind

colors: {
  custom: {
    50: '#7586c4',
    500: '#2858ab',
    950: '#000000',
  },
}

SCSS

$custom: #2858ab;
$custom-light: #7586c4;
$custom-dark: #000000;

JSON

{
  "hex": "#2858ab",
  "rgb": {
    "r": 40,
    "g": 88,
    "b": 171
  },
  "hsl": {
    "h": 218.015,
    "s": 62.085,
    "l": 41.373
  },
  "oklch": {
    "l": 0.47431,
    "c": 0.14316,
    "h": 260.5
  },
  "luminance": 0.10371
}

Semantic roles & 50–950 ramp

primary

#2858AB

secondary

#C4A36A

accent

#AA43E5

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2858AB

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

Preview Lab → · Contrast checker → · Palette generator →