#2858B2#2858B2

#2858B2 is a mid, vivid blue. Relative luminance 0.106; OKLCH L 47.9% C 0.153 H 261.5°. Best body text is #FFFFFF at 6.71:1 contrast (WCAG AA passes).

Color values

HEX	#2858B2
RGB	rgb(40, 88, 178)
HSL	hsl(219, 63%, 43%)
HSV	hsv(219, 78%, 70%)
CMYK	cmyk(77.5%, 50.6%, 0%, 30.2%)
CIE-LAB	lab(38.97, 16.62, -52.53)
CIE-LCH	lch(38.97, 55.10, 287.56°)
OKLab	oklab(47.95% -0.0225 -0.1511)
OKLCH	oklch(47.95% 0.153 261.5)
XYZ	xyz(12.3978, 10.6435, 43.5118)
Luminance	0.1065 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2858B2 #B28228

analogous

#289DB2 #2858B2 #3D28B2

triadic

#2858B2 #B22858 #58B228

tetradic

#2858B2 #B2289D #B28228 #28B23D

square

#2858B2 #B2289D #B28228 #28B23D

split-complementary

#2858B2 #B23D28 #9DB228

monochromatic

#12274E #1D3F80 #2858B2 #4375D5 #759AE0

Accessibility & contrast

On white

6.71

#2858B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#2858B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2858B2

6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2858B2	#FFFFFF	#000000	##FFFFFF
##2858B2	1.00	6.71	3.13	6.71
#FFFFFF	6.71	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2062B5

Deuteranopia (green-blind)

#0056B0

Tritanopia (blue-blind)

#006E7C

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #2858b2;
/* rgb */ color: rgb(40, 88, 178);
/* oklch */ color: oklch(47.9% 0.153 261.5);

Tailwind

colors: {
  custom: {
    50: '#7786ca',
    500: '#2858b2',
    950: '#000000',
  },
}

SCSS

$custom: #2858b2;
$custom-light: #7786ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2858b2",
  "rgb": {
    "r": 40,
    "g": 88,
    "b": 178
  },
  "hsl": {
    "h": 219.13,
    "s": 63.303,
    "l": 42.745
  },
  "oklch": {
    "l": 0.47948,
    "c": 0.15279,
    "h": 261.5
  },
  "luminance": 0.10645
}

Semantic roles & 50–950 ramp

primary

#2858B2

secondary

#C7A86F

accent

#AD41E6

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2858B2

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

Preview Lab → · Contrast checker → · Palette generator →