#2858B1#2858B1

#2858B1 is a mid, vivid blue. Relative luminance 0.106; OKLCH L 47.9% C 0.151 H 261.4°. Best body text is #FFFFFF at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#2858B1
RGB	rgb(40, 88, 177)
HSL	hsl(219, 63%, 43%)
HSV	hsv(219, 77%, 69%)
CMYK	cmyk(77.4%, 50.3%, 0%, 30.6%)
CIE-LAB	lab(38.90, 16.23, -52.05)
CIE-LCH	lch(38.90, 54.53, 287.32°)
OKLab	oklab(47.87% -0.0227 -0.1497)
OKLCH	oklch(47.87% 0.151 261.4)
XYZ	xyz(12.2977, 10.6035, 42.9850)
Luminance	0.1061 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2858B1 #B18128

analogous

#289DB1 #2858B1 #3C28B1

triadic

#2858B1 #B12858 #58B128

tetradic

#2858B1 #B1289D #B18128 #28B13C

square

#2858B1 #B1289D #B18128 #28B13C

split-complementary

#2858B1 #B13C28 #9DB128

monochromatic

#11264D #1D3F7F #2858B1 #4275D4 #749AE0

Accessibility & contrast

On white

6.73

#2858B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#2858B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2858B1

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2858B1	#FFFFFF	#000000	##FFFFFF
##2858B1	1.00	6.73	3.12	6.73
#FFFFFF	6.73	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2262B4

Deuteranopia (green-blind)

#0056AF

Tritanopia (blue-blind)

#006D7C

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #2858b1;
/* rgb */ color: rgb(40, 88, 177);
/* oklch */ color: oklch(47.9% 0.151 261.4);

Tailwind

colors: {
  custom: {
    50: '#7686c9',
    500: '#2858b1',
    950: '#000000',
  },
}

SCSS

$custom: #2858b1;
$custom-light: #7686c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2858b1",
  "rgb": {
    "r": 40,
    "g": 88,
    "b": 177
  },
  "hsl": {
    "h": 218.978,
    "s": 63.134,
    "l": 42.549
  },
  "oklch": {
    "l": 0.47873,
    "c": 0.15143,
    "h": 261.4
  },
  "luminance": 0.10605
}

Semantic roles & 50–950 ramp

primary

#2858B1

secondary

#C7A86E

accent

#AD42E6

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2858B1

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

Preview Lab → · Contrast checker → · Palette generator →