#2B3D89#2B3D89

#2B3D89 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.1% C 0.128 H 269.5°. Best body text is #FFFFFF at 9.85:1 contrast (WCAG AA passes).

Color values

HEX	#2B3D89
RGB	rgb(43, 61, 137)
HSL	hsl(229, 52%, 35%)
HSV	hsv(229, 69%, 54%)
CMYK	cmyk(68.6%, 55.5%, 0%, 46.3%)
CIE-LAB	lab(28.53, 19.42, -44.67)
CIE-LCH	lch(28.53, 48.70, 293.50°)
OKLab	oklab(39.12% -0.001 -0.1284)
OKLCH	oklch(39.12% 0.128 269.5)
XYZ	xyz(7.1788, 5.6565, 24.3756)
Luminance	0.0566 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3D89 #89772B

analogous

#2B6C89 #2B3D89 #482B89

triadic

#2B3D89 #892B3D #3D892B

tetradic

#2B3D89 #892B6C #89772B #2B8948

square

#2B3D89 #892B6C #89772B #2B8948

split-complementary

#2B3D89 #89482B #6C892B

monochromatic

#0E142C #1C285A #2B3D89 #3A52B8 #6176CD

Accessibility & contrast

On white

9.85

#2B3D89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#2B3D89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3D89

9.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3D89	#FFFFFF	#000000	##FFFFFF
##2B3D89	1.00	9.85	2.13	9.85
#FFFFFF	9.85	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#05488C

Deuteranopia (green-blind)

#003F87

Tritanopia (blue-blind)

#004F5D

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2b3d89;
/* rgb */ color: rgb(43, 61, 137);
/* oklch */ color: oklch(39.1% 0.128 269.5);

Tailwind

colors: {
  custom: {
    50: '#7072ac',
    500: '#2b3d89',
    950: '#000000',
  },
}

SCSS

$custom: #2b3d89;
$custom-light: #7072ac;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3d89",
  "rgb": {
    "r": 43,
    "g": 61,
    "b": 137
  },
  "hsl": {
    "h": 228.511,
    "s": 52.222,
    "l": 35.294
  },
  "oklch": {
    "l": 0.39117,
    "c": 0.12838,
    "h": 269.5
  },
  "luminance": 0.05657
}

Semantic roles & 50–950 ramp

primary

#2B3D89

secondary

#B3A35C

accent

#C04CDC

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #2B3D89

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

Preview Lab → · Contrast checker → · Palette generator →