#2B306D#2B306D

#2B306D is a dark, moderate blue. Relative luminance 0.037; OKLCH L 34.1% C 0.104 H 275.8°. Best body text is #FFFFFF at 12.02:1 contrast (WCAG AA passes).

Color values

HEX	#2B306D
RGB	rgb(43, 48, 109)
HSL	hsl(235, 43%, 30%)
HSV	hsv(235, 61%, 43%)
CMYK	cmyk(60.6%, 56%, 0%, 57.3%)
CIE-LAB	lab(22.76, 17.90, -36.30)
CIE-LCH	lch(22.76, 40.48, 296.24°)
OKLab	oklab(34.12% 0.0106 -0.1039)
OKLCH	oklch(34.12% 0.104 275.8)
XYZ	xyz(4.8126, 3.7313, 14.9316)
Luminance	0.0373 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B306D #6D682B

analogous

#2B516D #2B306D #472B6D

triadic

#2B306D #6D2B30 #306D2B

tetradic

#2B306D #6D2B51 #6D682B #2B6D47

square

#2B306D #6D2B51 #6D682B #2B6D47

split-complementary

#2B306D #6D472B #516D2B

monochromatic

#090A16 #1A1D41 #2B306D #3C4399 #565EBC

Accessibility & contrast

On white

12.02

#2B306D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#2B306D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B306D

12.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B306D	#FFFFFF	#000000	##FFFFFF
##2B306D	1.00	12.02	1.75	12.02
#FFFFFF	12.02	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B396F

Deuteranopia (green-blind)

#00346C

Tritanopia (blue-blind)

#023E49

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #2b306d;
/* rgb */ color: rgb(43, 48, 109);
/* oklch */ color: oklch(34.1% 0.104 275.8);

Tailwind

colors: {
  custom: {
    50: '#6b6897',
    500: '#2b306d',
    950: '#000000',
  },
}

SCSS

$custom: #2b306d;
$custom-light: #6b6897;
$custom-dark: #000000;

JSON

{
  "hex": "#2b306d",
  "rgb": {
    "r": 43,
    "g": 48,
    "b": 109
  },
  "hsl": {
    "h": 235.455,
    "s": 43.421,
    "l": 29.804
  },
  "oklch": {
    "l": 0.34115,
    "c": 0.10449,
    "h": 275.8
  },
  "luminance": 0.03732
}

Semantic roles & 50–950 ramp

primary

#2B306D

secondary

#9F9955

accent

#CA55D3

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07060D

muted

#7A7A7E

Preview Lab

Preview with #2B306D

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

Preview Lab → · Contrast checker → · Palette generator →