#2B3770#2B3770

#2B3770 is a dark, moderate blue. Relative luminance 0.044; OKLCH L 35.9% C 0.099 H 271.6°. Best body text is #FFFFFF at 11.15:1 contrast (WCAG AA passes).

Color values

HEX	#2B3770
RGB	rgb(43, 55, 112)
HSL	hsl(230, 45%, 30%)
HSV	hsv(230, 62%, 44%)
CMYK	cmyk(61.6%, 50.9%, 0%, 56.1%)
CIE-LAB	lab(25.00, 14.13, -34.63)
CIE-LCH	lch(25.00, 37.40, 292.20°)
OKLab	oklab(35.87% 0.0028 -0.0989)
OKLCH	oklch(35.87% 0.099 271.6)
XYZ	xyz(5.2861, 4.4154, 15.8998)
Luminance	0.0442 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3770 #70642B

analogous

#2B5970 #2B3770 #412B70

triadic

#2B3770 #702B37 #37702B

tetradic

#2B3770 #702B59 #70642B #2B7041

square

#2B3770 #702B59 #70642B #2B7041

split-complementary

#2B3770 #70412B #59702B

monochromatic

#090C18 #1A2144 #2B3770 #3C4D9C #5769BE

Accessibility & contrast

On white

11.15

#2B3770 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#2B3770 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3770

11.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3770	#FFFFFF	#000000	##FFFFFF
##2B3770	1.00	11.15	1.88	11.15
#FFFFFF	11.15	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B3E72

Deuteranopia (green-blind)

#0F386F

Tritanopia (blue-blind)

#00444E

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #2b3770;
/* rgb */ color: rgb(43, 55, 112);
/* oklch */ color: oklch(35.9% 0.099 271.6);

Tailwind

colors: {
  custom: {
    50: '#6b6d99',
    500: '#2b3770',
    950: '#000000',
  },
}

SCSS

$custom: #2b3770;
$custom-light: #6b6d99;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3770",
  "rgb": {
    "r": 43,
    "g": 55,
    "b": 112
  },
  "hsl": {
    "h": 229.565,
    "s": 44.516,
    "l": 30.392
  },
  "oklch": {
    "l": 0.35873,
    "c": 0.09898,
    "h": 271.6
  },
  "luminance": 0.04416
}

Semantic roles & 50–950 ramp

primary

#2B3770

secondary

#A29455

accent

#BE54D4

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #2B3770

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

Preview Lab → · Contrast checker → · Palette generator →