#2B3E85#2B3E85

#2B3E85 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.0% C 0.121 H 268.9°. Best body text is #FFFFFF at 9.86:1 contrast (WCAG AA passes).

Color values

HEX	#2B3E85
RGB	rgb(43, 62, 133)
HSL	hsl(227, 51%, 35%)
HSV	hsv(227, 68%, 52%)
CMYK	cmyk(67.7%, 53.4%, 0%, 47.8%)
CIE-LAB	lab(28.52, 17.21, -42.20)
CIE-LCH	lch(28.52, 45.58, 292.19°)
OKLab	oklab(39.01% -0.0023 -0.1211)
OKLCH	oklch(39.01% 0.121 268.9)
XYZ	xyz(6.9511, 5.6517, 22.9103)
Luminance	0.0565 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3E85 #85722B

analogous

#2B6B85 #2B3E85 #452B85

triadic

#2B3E85 #852B3E #3E852B

tetradic

#2B3E85 #852B6B #85722B #2B8545

square

#2B3E85 #852B6B #85722B #2B8545

split-complementary

#2B3E85 #85452B #6B852B

monochromatic

#0D1329 #1C2857 #2B3E85 #3A54B3 #5F76CB

Accessibility & contrast

On white

9.86

#2B3E85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#2B3E85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3E85

9.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3E85	#FFFFFF	#000000	##FFFFFF
##2B3E85	1.00	9.86	2.13	9.86
#FFFFFF	9.86	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#134888

Deuteranopia (green-blind)

#003F84

Tritanopia (blue-blind)

#004F5B

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2b3e85;
/* rgb */ color: rgb(43, 62, 133);
/* oklch */ color: oklch(39.0% 0.121 268.9);

Tailwind

colors: {
  custom: {
    50: '#6f72a9',
    500: '#2b3e85',
    950: '#000000',
  },
}

SCSS

$custom: #2b3e85;
$custom-light: #6f72a9;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3e85",
  "rgb": {
    "r": 43,
    "g": 62,
    "b": 133
  },
  "hsl": {
    "h": 227.333,
    "s": 51.136,
    "l": 34.51
  },
  "oklch": {
    "l": 0.39014,
    "c": 0.12115,
    "h": 268.9
  },
  "luminance": 0.05652
}

Semantic roles & 50–950 ramp

primary

#2B3E85

secondary

#B19F5B

accent

#BD4DDB

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #2B3E85

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

Preview Lab → · Contrast checker → · Palette generator →