#2B3271#2B3271

#2B3271 is a dark, moderate blue. Relative luminance 0.040; OKLCH L 34.9% C 0.108 H 274.6°. Best body text is #FFFFFF at 11.68:1 contrast (WCAG AA passes).

Color values

HEX	#2B3271
RGB	rgb(43, 50, 113)
HSL	hsl(234, 45%, 31%)
HSV	hsv(234, 62%, 44%)
CMYK	cmyk(61.9%, 55.8%, 0%, 55.7%)
CIE-LAB	lab(23.63, 17.98, -37.48)
CIE-LCH	lch(23.63, 41.57, 295.63°)
OKLab	oklab(34.86% 0.0086 -0.1074)
OKLCH	oklch(34.86% 0.108 274.6)
XYZ	xyz(5.1165, 3.9867, 16.1195)
Luminance	0.0399 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3271 #716A2B

analogous

#2B5571 #2B3271 #472B71

triadic

#2B3271 #712B32 #32712B

tetradic

#2B3271 #712B55 #716A2B #2B7147

square

#2B3271 #712B55 #716A2B #2B7147

split-complementary

#2B3271 #71472B #55712B

monochromatic

#090B18 #1A1E45 #2B3271 #3C469D #5762BF

Accessibility & contrast

On white

11.68

#2B3271 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#2B3271 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3271

11.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3271	#FFFFFF	#000000	##FFFFFF
##2B3271	1.00	11.68	1.80	11.68
#FFFFFF	11.68	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B3B73

Deuteranopia (green-blind)

#003570

Tritanopia (blue-blind)

#00414C

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #2b3271;
/* rgb */ color: rgb(43, 50, 113);
/* oklch */ color: oklch(34.9% 0.108 274.6);

Tailwind

colors: {
  custom: {
    50: '#6c699a',
    500: '#2b3271',
    950: '#000000',
  },
}

SCSS

$custom: #2b3271;
$custom-light: #6c699a;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3271",
  "rgb": {
    "r": 43,
    "g": 50,
    "b": 113
  },
  "hsl": {
    "h": 234,
    "s": 44.872,
    "l": 30.588
  },
  "oklch": {
    "l": 0.3486,
    "c": 0.10773,
    "h": 274.6
  },
  "luminance": 0.03987
}

Semantic roles & 50–950 ramp

primary

#2B3271

secondary

#A39B55

accent

#C853D5

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07060E

muted

#7A7A7E

Preview Lab

Preview with #2B3271

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

Preview Lab → · Contrast checker → · Palette generator →