#2B4283#2B4283

#2B4283 is a dark, moderate blue. Relative luminance 0.060; OKLCH L 39.7% C 0.113 H 266.6°. Best body text is #FFFFFF at 9.50:1 contrast (WCAG AA passes).

Color values

HEX	#2B4283
RGB	rgb(43, 66, 131)
HSL	hsl(224, 51%, 34%)
HSV	hsv(224, 67%, 51%)
CMYK	cmyk(67.2%, 49.6%, 0%, 48.6%)
CIE-LAB	lab(29.53, 13.71, -39.32)
CIE-LCH	lch(29.53, 41.65, 289.23°)
OKLab	oklab(39.74% -0.0066 -0.1126)
OKLCH	oklch(39.74% 0.113 266.6)
XYZ	xyz(7.0398, 6.0481, 22.2647)
Luminance	0.0605 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4283 #836C2B

analogous

#2B6E83 #2B4283 #402B83

triadic

#2B4283 #832B42 #42832B

tetradic

#2B4283 #832B6E #836C2B #2B8340

square

#2B4283 #832B6E #836C2B #2B8340

split-complementary

#2B4283 #83402B #6E832B

monochromatic

#0D1427 #1C2B55 #2B4283 #3A59B1 #5E7ACA

Accessibility & contrast

On white

9.50

#2B4283 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#2B4283 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4283

9.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4283	#FFFFFF	#000000	##FFFFFF
##2B4283	1.00	9.50	2.21	9.50
#FFFFFF	9.50	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#204A85

Deuteranopia (green-blind)

#0D4282

Tritanopia (blue-blind)

#00515C

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2b4283;
/* rgb */ color: rgb(43, 66, 131);
/* oklch */ color: oklch(39.7% 0.113 266.6);

Tailwind

colors: {
  custom: {
    50: '#6e76a7',
    500: '#2b4283',
    950: '#000000',
  },
}

SCSS

$custom: #2b4283;
$custom-light: #6e76a7;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4283",
  "rgb": {
    "r": 43,
    "g": 66,
    "b": 131
  },
  "hsl": {
    "h": 224.318,
    "s": 50.575,
    "l": 34.118
  },
  "oklch": {
    "l": 0.39741,
    "c": 0.11278,
    "h": 266.6
  },
  "luminance": 0.06049
}

Semantic roles & 50–950 ramp

primary

#2B4283

secondary

#B09A5A

accent

#B54EDA

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#08080F

muted

#7B7B7F

Preview Lab

Preview with #2B4283

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

Preview Lab → · Contrast checker → · Palette generator →