#2B4383#2B4383

#2B4383 is a dark, moderate blue. Relative luminance 0.062; OKLCH L 40.0% C 0.111 H 266.1°. Best body text is #FFFFFF at 9.40:1 contrast (WCAG AA passes).

Color values

HEX	#2B4383
RGB	rgb(43, 67, 131)
HSL	hsl(224, 51%, 34%)
HSV	hsv(224, 67%, 51%)
CMYK	cmyk(67.2%, 48.9%, 0%, 48.6%)
CIE-LAB	lab(29.83, 13.03, -38.85)
CIE-LCH	lch(29.83, 40.98, 288.54°)
OKLab	oklab(39.97% -0.0077 -0.1112)
OKLCH	oklch(39.97% 0.111 266.1)
XYZ	xyz(7.0987, 6.1659, 22.2844)
Luminance	0.0617 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4383 #836B2B

analogous

#2B6F83 #2B4383 #3F2B83

triadic

#2B4383 #832B43 #43832B

tetradic

#2B4383 #832B6F #836B2B #2B833F

square

#2B4383 #832B6F #836B2B #2B833F

split-complementary

#2B4383 #833F2B #6F832B

monochromatic

#0D1427 #1C2B55 #2B4383 #3A5BB1 #5E7CCA

Accessibility & contrast

On white

9.40

#2B4383 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#2B4383 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4383

9.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4383	#FFFFFF	#000000	##FFFFFF
##2B4383	1.00	9.40	2.23	9.40
#FFFFFF	9.40	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#224B85

Deuteranopia (green-blind)

#114282

Tritanopia (blue-blind)

#00525C

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2b4383;
/* rgb */ color: rgb(43, 67, 131);
/* oklch */ color: oklch(40.0% 0.111 266.1);

Tailwind

colors: {
  custom: {
    50: '#6e76a7',
    500: '#2b4383',
    950: '#000000',
  },
}

SCSS

$custom: #2b4383;
$custom-light: #6e76a7;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4383",
  "rgb": {
    "r": 43,
    "g": 67,
    "b": 131
  },
  "hsl": {
    "h": 223.636,
    "s": 50.575,
    "l": 34.118
  },
  "oklch": {
    "l": 0.39966,
    "c": 0.11144,
    "h": 266.1
  },
  "luminance": 0.06167
}

Semantic roles & 50–950 ramp

primary

#2B4383

secondary

#B0995A

accent

#B44EDA

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#08080F

muted

#7B7B7F

Preview Lab

Preview with #2B4383

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

Preview Lab → · Contrast checker → · Palette generator →