#2B3071#2B3071

#2B3071 is a dark, moderate blue. Relative luminance 0.038; OKLCH L 34.4% C 0.111 H 275.6°. Best body text is #FFFFFF at 11.90:1 contrast (WCAG AA passes).

Color values

HEX	#2B3071
RGB	rgb(43, 48, 113)
HSL	hsl(236, 45%, 31%)
HSV	hsv(236, 62%, 44%)
CMYK	cmyk(61.9%, 57.5%, 0%, 55.7%)
CIE-LAB	lab(23.07, 19.37, -38.39)
CIE-LCH	lch(23.07, 43.00, 296.78°)
OKLab	oklab(34.44% 0.0109 -0.1101)
OKLCH	oklch(34.44% 0.111 275.6)
XYZ	xyz(5.0329, 3.8194, 16.0916)
Luminance	0.0382 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3071 #716C2B

analogous

#2B5371 #2B3071 #492B71

triadic

#2B3071 #712B30 #30712B

tetradic

#2B3071 #712B53 #716C2B #2B7149

square

#2B3071 #712B53 #716C2B #2B7149

split-complementary

#2B3071 #71492B #53712B

monochromatic

#090A18 #1A1D45 #2B3071 #3C439D #575FBF

Accessibility & contrast

On white

11.90

#2B3071 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#2B3071 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3071

11.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3071	#FFFFFF	#000000	##FFFFFF
##2B3071	1.00	11.90	1.76	11.90
#FFFFFF	11.90	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#033A73

Deuteranopia (green-blind)

#003470

Tritanopia (blue-blind)

#003F4B

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #2b3071;
/* rgb */ color: rgb(43, 48, 113);
/* oklch */ color: oklch(34.4% 0.111 275.6);

Tailwind

colors: {
  custom: {
    50: '#6c689a',
    500: '#2b3071',
    950: '#000000',
  },
}

SCSS

$custom: #2b3071;
$custom-light: #6c689a;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3071",
  "rgb": {
    "r": 43,
    "g": 48,
    "b": 113
  },
  "hsl": {
    "h": 235.714,
    "s": 44.872,
    "l": 30.588
  },
  "oklch": {
    "l": 0.34438,
    "c": 0.11061,
    "h": 275.6
  },
  "luminance": 0.0382
}

Semantic roles & 50–950 ramp

primary

#2B3071

secondary

#A39D55

accent

#CB53D5

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07060E

muted

#7A7A7E

Preview Lab

Preview with #2B3071

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

Preview Lab → · Contrast checker → · Palette generator →