#2858B7#2858B7

#2858B7 is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.3% C 0.160 H 262.1°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#2858B7
RGB	rgb(40, 88, 183)
HSL	hsl(220, 64%, 44%)
HSV	hsv(220, 78%, 72%)
CMYK	cmyk(78.1%, 51.9%, 0%, 28.2%)
CIE-LAB	lab(39.32, 18.55, -54.91)
CIE-LCH	lch(39.32, 57.96, 288.67°)
OKLab	oklab(48.33% -0.0219 -0.1581)
OKLCH	oklch(48.33% 0.16 262.1)
XYZ	xyz(12.9090, 10.8480, 46.2041)
Luminance	0.1085 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2858B7 #B78728

analogous

#289FB7 #2858B7 #3F28B7

triadic

#2858B7 #B72858 #58B728

tetradic

#2858B7 #B7289F #B78728 #28B73F

square

#2858B7 #B7289F #B78728 #28B73F

split-complementary

#2858B7 #B73F28 #9FB728

monochromatic

#122853 #1D4085 #2858B7 #4676D6 #789BE1

Accessibility & contrast

On white

6.63

#2858B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#2858B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2858B7

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2858B7	#FFFFFF	#000000	##FFFFFF
##2858B7	1.00	6.63	3.17	6.63
#FFFFFF	6.63	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1864BA

Deuteranopia (green-blind)

#0056B5

Tritanopia (blue-blind)

#006F7F

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #2858b7;
/* rgb */ color: rgb(40, 88, 183);
/* oklch */ color: oklch(48.3% 0.160 262.1);

Tailwind

colors: {
  custom: {
    50: '#7886cd',
    500: '#2858b7',
    950: '#000000',
  },
}

SCSS

$custom: #2858b7;
$custom-light: #7886cd;
$custom-dark: #000000;

JSON

{
  "hex": "#2858b7",
  "rgb": {
    "r": 40,
    "g": 88,
    "b": 183
  },
  "hsl": {
    "h": 219.86,
    "s": 64.126,
    "l": 43.725
  },
  "oklch": {
    "l": 0.48326,
    "c": 0.15962,
    "h": 262.1
  },
  "luminance": 0.10849
}

Semantic roles & 50–950 ramp

primary

#2858B7

secondary

#C9AC72

accent

#AF41E7

background

#F7F8FC

surface

#EEEFF9

border

#C9CAD2

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2858B7

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

Preview Lab → · Contrast checker → · Palette generator →