#2858B0#2858B0

#2858B0 is a mid, vivid blue. Relative luminance 0.106; OKLCH L 47.8% C 0.150 H 261.3°. Best body text is #FFFFFF at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#2858B0
RGB	rgb(40, 88, 176)
HSL	hsl(219, 63%, 42%)
HSV	hsv(219, 77%, 69%)
CMYK	cmyk(77.3%, 50%, 0%, 31%)
CIE-LAB	lab(38.84, 15.85, -51.58)
CIE-LCH	lch(38.84, 53.95, 287.08°)
OKLab	oklab(47.8% -0.0228 -0.1483)
OKLCH	oklch(47.8% 0.15 261.3)
XYZ	xyz(12.1984, 10.5638, 42.4620)
Luminance	0.1056 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2858B0 #B08028

analogous

#289CB0 #2858B0 #3C28B0

triadic

#2858B0 #B02858 #58B028

tetradic

#2858B0 #B0289C #B08028 #28B03C

square

#2858B0 #B0289C #B08028 #28B03C

split-complementary

#2858B0 #B03C28 #9CB028

monochromatic

#11264C #1D3F7E #2858B0 #4175D4 #7399DF

Accessibility & contrast

On white

6.75

#2858B0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#2858B0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2858B0

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2858B0	#FFFFFF	#000000	##FFFFFF
##2858B0	1.00	6.75	3.11	6.75
#FFFFFF	6.75	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2362B3

Deuteranopia (green-blind)

#0056AE

Tritanopia (blue-blind)

#006D7B

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #2858b0;
/* rgb */ color: rgb(40, 88, 176);
/* oklch */ color: oklch(47.8% 0.150 261.3);

Tailwind

colors: {
  custom: {
    50: '#7686c8',
    500: '#2858b0',
    950: '#000000',
  },
}

SCSS

$custom: #2858b0;
$custom-light: #7686c8;
$custom-dark: #000000;

JSON

{
  "hex": "#2858b0",
  "rgb": {
    "r": 40,
    "g": 88,
    "b": 176
  },
  "hsl": {
    "h": 218.824,
    "s": 62.963,
    "l": 42.353
  },
  "oklch": {
    "l": 0.47799,
    "c": 0.15005,
    "h": 261.3
  },
  "luminance": 0.10565
}

Semantic roles & 50–950 ramp

primary

#2858B0

secondary

#C6A76D

accent

#AC42E6

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2858B0

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

Preview Lab → · Contrast checker → · Palette generator →