#2B3E83#2B3E83

#2B3E83 is a dark, moderate blue. Relative luminance 0.056; OKLCH L 38.9% C 0.118 H 268.8°. Best body text is #FFFFFF at 9.91:1 contrast (WCAG AA passes).

Color values

HEX	#2B3E83
RGB	rgb(43, 62, 131)
HSL	hsl(227, 51%, 34%)
HSV	hsv(227, 67%, 51%)
CMYK	cmyk(67.2%, 52.7%, 0%, 48.6%)
CIE-LAB	lab(28.37, 16.45, -41.19)
CIE-LCH	lch(28.37, 44.36, 291.77°)
OKLab	oklab(38.86% -0.0025 -0.1181)
OKLCH	oklch(38.86% 0.118 268.8)
XYZ	xyz(6.8142, 5.5969, 22.1895)
Luminance	0.0560 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3E83 #83702B

analogous

#2B6A83 #2B3E83 #442B83

triadic

#2B3E83 #832B3E #3E832B

tetradic

#2B3E83 #832B6A #83702B #2B8344

square

#2B3E83 #832B6A #83702B #2B8344

split-complementary

#2B3E83 #83442B #6A832B

monochromatic

#0D1227 #1C2855 #2B3E83 #3A54B1 #5E76CA

Accessibility & contrast

On white

9.91

#2B3E83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#2B3E83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3E83

9.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3E83	#FFFFFF	#000000	##FFFFFF
##2B3E83	1.00	9.91	2.12	9.91
#FFFFFF	9.91	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#164785

Deuteranopia (green-blind)

#003F82

Tritanopia (blue-blind)

#004E5A

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2b3e83;
/* rgb */ color: rgb(43, 62, 131);
/* oklch */ color: oklch(38.9% 0.118 268.8);

Tailwind

colors: {
  custom: {
    50: '#6f72a7',
    500: '#2b3e83',
    950: '#000000',
  },
}

SCSS

$custom: #2b3e83;
$custom-light: #6f72a7;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3e83",
  "rgb": {
    "r": 43,
    "g": 62,
    "b": 131
  },
  "hsl": {
    "h": 227.045,
    "s": 50.575,
    "l": 34.118
  },
  "oklch": {
    "l": 0.38858,
    "c": 0.11818,
    "h": 268.8
  },
  "luminance": 0.05598
}

Semantic roles & 50–950 ramp

primary

#2B3E83

secondary

#B09D5A

accent

#BC4EDA

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#08080F

muted

#7B7B7F

Preview Lab

Preview with #2B3E83

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

Preview Lab → · Contrast checker → · Palette generator →