#2B437D#2B437D

#2B437D is a dark, moderate blue. Relative luminance 0.060; OKLCH L 39.5% C 0.102 H 265.1°. Best body text is #FFFFFF at 9.54:1 contrast (WCAG AA passes).

Color values

HEX	#2B437D
RGB	rgb(43, 67, 125)
HSL	hsl(222, 49%, 33%)
HSV	hsv(222, 66%, 49%)
CMYK	cmyk(65.6%, 46.4%, 0%, 51%)
CIE-LAB	lab(29.43, 10.75, -35.74)
CIE-LCH	lch(29.43, 37.33, 286.75°)
OKLab	oklab(39.54% -0.0087 -0.102)
OKLCH	oklch(39.54% 0.102 265.1)
XYZ	xyz(6.7038, 6.0080, 20.2044)
Luminance	0.0601 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B437D #7D652B

analogous

#2B6C7D #2B437D #3C2B7D

triadic

#2B437D #7D2B43 #437D2B

tetradic

#2B437D #7D2B6C #7D652B #2B7D3C

square

#2B437D #7D2B6C #7D652B #2B7D3C

split-complementary

#2B437D #7D3C2B #6C7D2B

monochromatic

#0C1222 #1B2B4F #2B437D #3B5BAB #5C7BC7

Accessibility & contrast

On white

9.54

#2B437D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#2B437D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B437D

9.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B437D	#FFFFFF	#000000	##FFFFFF
##2B437D	1.00	9.54	2.20	9.54
#FFFFFF	9.54	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#27497F

Deuteranopia (green-blind)

#1A427C

Tritanopia (blue-blind)

#00505A

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2b437d;
/* rgb */ color: rgb(43, 67, 125);
/* oklch */ color: oklch(39.5% 0.102 265.1);

Tailwind

colors: {
  custom: {
    50: '#6d76a3',
    500: '#2b437d',
    950: '#000000',
  },
}

SCSS

$custom: #2b437d;
$custom-light: #6d76a3;
$custom-dark: #000000;

JSON

{
  "hex": "#2b437d",
  "rgb": {
    "r": 43,
    "g": 67,
    "b": 125
  },
  "hsl": {
    "h": 222.439,
    "s": 48.81,
    "l": 32.941
  },
  "oklch": {
    "l": 0.39536,
    "c": 0.10242,
    "h": 265.1
  },
  "luminance": 0.06009
}

Semantic roles & 50–950 ramp

primary

#2B437D

secondary

#AD9457

accent

#B04FD8

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#08080F

muted

#7B7B7F

Preview Lab

Preview with #2B437D

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

Preview Lab → · Contrast checker → · Palette generator →