#2B3166#2B3166

#2B3166 is a dark, moderate blue. Relative luminance 0.037; OKLCH L 33.8% C 0.092 H 275.5°. Best body text is #FFFFFF at 12.11:1 contrast (WCAG AA passes).

Color values

HEX	#2B3166
RGB	rgb(43, 49, 102)
HSL	hsl(234, 41%, 28%)
HSV	hsv(234, 58%, 40%)
CMYK	cmyk(57.8%, 52%, 0%, 60%)
CIE-LAB	lab(22.55, 14.63, -32.12)
CIE-LCH	lch(22.55, 35.30, 294.48°)
OKLab	oklab(33.79% 0.0088 -0.0916)
OKLCH	oklch(33.79% 0.092 275.5)
XYZ	xyz(4.4921, 3.6692, 13.0393)
Luminance	0.0367 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3166 #66602B

analogous

#2B4E66 #2B3166 #422B66

triadic

#2B3166 #662B31 #31662B

tetradic

#2B3166 #662B4E #66602B #2B6642

square

#2B3166 #662B4E #66602B #2B6642

split-complementary

#2B3166 #66422B #4E662B

monochromatic

#090A16 #191C3B #2B3166 #3D4691 #545EB7

Accessibility & contrast

On white

12.11

#2B3166 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#2B3166 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3166

12.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3166	#FFFFFF	#000000	##FFFFFF
##2B3166	1.00	12.11	1.73	12.11
#FFFFFF	12.11	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#173868

Deuteranopia (green-blind)

#103465

Tritanopia (blue-blind)

#0E3D46

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #2b3166;
/* rgb */ color: rgb(43, 49, 102);
/* oklch */ color: oklch(33.8% 0.092 275.5);

Tailwind

colors: {
  custom: {
    50: '#6a6892',
    500: '#2b3166',
    950: '#000000',
  },
}

SCSS

$custom: #2b3166;
$custom-light: #6a6892;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3166",
  "rgb": {
    "r": 43,
    "g": 49,
    "b": 102
  },
  "hsl": {
    "h": 233.898,
    "s": 40.69,
    "l": 28.431
  },
  "oklch": {
    "l": 0.33791,
    "c": 0.09206,
    "h": 275.5
  },
  "luminance": 0.0367
}

Semantic roles & 50–950 ramp

primary

#2B3166

secondary

#989155

accent

#C457D1

background

#F6F6F9

surface

#EBEBF1

border

#C6C6CB

text

#07060D

muted

#7A7A7E

Preview Lab

Preview with #2B3166

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

Preview Lab → · Contrast checker → · Palette generator →