#2858BC#2858BC

#2858BC is a mid, vivid blue. Relative luminance 0.111; OKLCH L 48.7% C 0.166 H 262.6°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#2858BC
RGB	rgb(40, 88, 188)
HSL	hsl(221, 65%, 45%)
HSV	hsv(221, 79%, 74%)
CMYK	cmyk(78.7%, 53.2%, 0%, 26.3%)
CIE-LAB	lab(39.68, 20.48, -57.26)
CIE-LCH	lch(39.68, 60.81, 289.68°)
OKLab	oklab(48.71% -0.0214 -0.165)
OKLCH	oklch(48.71% 0.166 262.6)
XYZ	xyz(13.4386, 11.0598, 48.9937)
Luminance	0.1106 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2858BC #BC8C28

analogous

#28A2BC #2858BC #4228BC

triadic

#2858BC #BC2858 #58BC28

tetradic

#2858BC #BC28A2 #BC8C28 #28BC42

square

#2858BC #BC28A2 #BC8C28 #28BC42

split-complementary

#2858BC #BC4228 #A2BC28

monochromatic

#132957 #1D408A #2858BC #4977D8 #7B9DE3

Accessibility & contrast

On white

6.54

#2858BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#2858BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2858BC

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2858BC	#FFFFFF	#000000	##FFFFFF
##2858BC	1.00	6.54	3.21	6.54
#FFFFFF	6.54	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A65C0

Deuteranopia (green-blind)

#0057BA

Tritanopia (blue-blind)

#007081

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #2858bc;
/* rgb */ color: rgb(40, 88, 188);
/* oklch */ color: oklch(48.7% 0.166 262.6);

Tailwind

colors: {
  custom: {
    50: '#7986d1',
    500: '#2858bc',
    950: '#000000',
  },
}

SCSS

$custom: #2858bc;
$custom-light: #7986d1;
$custom-dark: #000000;

JSON

{
  "hex": "#2858bc",
  "rgb": {
    "r": 40,
    "g": 88,
    "b": 188
  },
  "hsl": {
    "h": 220.541,
    "s": 64.912,
    "l": 44.706
  },
  "oklch": {
    "l": 0.48712,
    "c": 0.1664,
    "h": 262.6
  },
  "luminance": 0.11061
}

Semantic roles & 50–950 ramp

primary

#2858BC

secondary

#CBAF75

accent

#B140E8

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #2858BC

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

Preview Lab → · Contrast checker → · Palette generator →