#2B5EAB#2B5EAB

#2B5EAB is a mid, vivid blue. Relative luminance 0.115; OKLCH L 48.9% C 0.135 H 258.6°. Best body text is #FFFFFF at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#2B5EAB
RGB	rgb(43, 94, 171)
HSL	hsl(216, 60%, 42%)
HSV	hsv(216, 75%, 67%)
CMYK	cmyk(74.9%, 45%, 0%, 32.9%)
CIE-LAB	lab(40.34, 10.38, -46.20)
CIE-LCH	lch(40.34, 47.35, 282.66°)
OKLab	oklab(48.88% -0.0266 -0.1323)
OKLCH	oklch(48.88% 0.135 258.6)
XYZ	xyz(12.3470, 11.4579, 40.0811)
Luminance	0.1146 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B5EAB #AB782B

analogous

#2B9EAB #2B5EAB #382BAB

triadic

#2B5EAB #AB2B5E #5EAB2B

tetradic

#2B5EAB #AB2B9E #AB782B #2BAB38

square

#2B5EAB #AB2B9E #AB782B #2BAB38

split-complementary

#2B5EAB #AB382B #9EAB2B

monochromatic

#122849 #1F437A #2B5EAB #437BD0 #749EDC

Accessibility & contrast

On white

6.38

#2B5EAB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#2B5EAB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B5EAB

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B5EAB	#FFFFFF	#000000	##FFFFFF
##2B5EAB	1.00	6.38	3.29	6.38
#FFFFFF	6.38	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3765AE

Deuteranopia (green-blind)

#1D5AA9

Tritanopia (blue-blind)

#00707C

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #2b5eab;
/* rgb */ color: rgb(43, 94, 171);
/* oklch */ color: oklch(48.9% 0.135 258.6);

Tailwind

colors: {
  custom: {
    50: '#768bc4',
    500: '#2b5eab',
    950: '#000000',
  },
}

SCSS

$custom: #2b5eab;
$custom-light: #768bc4;
$custom-dark: #000000;

JSON

{
  "hex": "#2b5eab",
  "rgb": {
    "r": 43,
    "g": 94,
    "b": 171
  },
  "hsl": {
    "h": 216.094,
    "s": 59.813,
    "l": 41.961
  },
  "oklch": {
    "l": 0.4888,
    "c": 0.13497,
    "h": 258.6
  },
  "luminance": 0.11459
}

Semantic roles & 50–950 ramp

primary

#2B5EAB

secondary

#C4A26E

accent

#A445E3

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2B5EAB

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

Preview Lab → · Contrast checker → · Palette generator →