#2858BB#2858BB

#2858BB is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.6% C 0.165 H 262.5°. Best body text is #FFFFFF at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#2858BB
RGB	rgb(40, 88, 187)
HSL	hsl(220, 65%, 45%)
HSV	hsv(220, 79%, 73%)
CMYK	cmyk(78.6%, 52.9%, 0%, 26.7%)
CIE-LAB	lab(39.61, 20.09, -56.79)
CIE-LCH	lch(39.61, 60.24, 289.48°)
OKLab	oklab(48.63% -0.0215 -0.1636)
OKLCH	oklch(48.63% 0.165 262.5)
XYZ	xyz(13.3312, 11.0169, 48.4279)
Luminance	0.1102 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2858BB #BB8B28

analogous

#28A2BB #2858BB #4128BB

triadic

#2858BB #BB2858 #58BB28

tetradic

#2858BB #BB28A2 #BB8B28 #28BB41

square

#2858BB #BB28A2 #BB8B28 #28BB41

split-complementary

#2858BB #BB4128 #A2BB28

monochromatic

#122956 #1D4089 #2858BB #4877D8 #7B9DE3

Accessibility & contrast

On white

6.56

#2858BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#2858BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2858BB

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2858BB	#FFFFFF	#000000	##FFFFFF
##2858BB	1.00	6.56	3.20	6.56
#FFFFFF	6.56	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D64BF

Deuteranopia (green-blind)

#0057B9

Tritanopia (blue-blind)

#007081

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #2858bb;
/* rgb */ color: rgb(40, 88, 187);
/* oklch */ color: oklch(48.6% 0.165 262.5);

Tailwind

colors: {
  custom: {
    50: '#7986d0',
    500: '#2858bb',
    950: '#000000',
  },
}

SCSS

$custom: #2858bb;
$custom-light: #7986d0;
$custom-dark: #000000;

JSON

{
  "hex": "#2858bb",
  "rgb": {
    "r": 40,
    "g": 88,
    "b": 187
  },
  "hsl": {
    "h": 220.408,
    "s": 64.758,
    "l": 44.51
  },
  "oklch": {
    "l": 0.48634,
    "c": 0.16505,
    "h": 262.5
  },
  "luminance": 0.11018
}

Semantic roles & 50–950 ramp

primary

#2858BB

secondary

#CBAE74

accent

#B140E8

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #2858BB

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

Preview Lab → · Contrast checker → · Palette generator →