#2B4388#2B4388

#2B4388 is a dark, moderate blue. Relative luminance 0.063; OKLCH L 40.3% C 0.119 H 266.6°. Best body text is #FFFFFF at 9.29:1 contrast (WCAG AA passes).

Color values

HEX	#2B4388
RGB	rgb(43, 67, 136)
HSL	hsl(225, 52%, 35%)
HSV	hsv(225, 68%, 53%)
CMYK	cmyk(68.4%, 50.7%, 0%, 46.7%)
CIE-LAB	lab(30.17, 14.94, -41.40)
CIE-LCH	lch(30.17, 44.01, 289.84°)
OKLab	oklab(40.34% -0.007 -0.1187)
OKLCH	oklch(40.34% 0.119 266.6)
XYZ	xyz(7.4458, 6.3048, 24.1123)
Luminance	0.0630 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4388 #88702B

analogous

#2B7188 #2B4388 #412B88

triadic

#2B4388 #882B43 #43882B

tetradic

#2B4388 #882B71 #88702B #2B8841

square

#2B4388 #882B71 #88702B #2B8841

split-complementary

#2B4388 #88412B #71882B

monochromatic

#0E152B #1C2C5A #2B4388 #3A5AB6 #617CCD

Accessibility & contrast

On white

9.29

#2B4388 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#2B4388 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4388

9.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4388	#FFFFFF	#000000	##FFFFFF
##2B4388	1.00	9.29	2.26	9.29
#FFFFFF	9.29	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D4C8B

Deuteranopia (green-blind)

#034387

Tritanopia (blue-blind)

#00535F

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2b4388;
/* rgb */ color: rgb(43, 67, 136);
/* oklch */ color: oklch(40.3% 0.119 266.6);

Tailwind

colors: {
  custom: {
    50: '#6f76ab',
    500: '#2b4388',
    950: '#000000',
  },
}

SCSS

$custom: #2b4388;
$custom-light: #6f76ab;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4388",
  "rgb": {
    "r": 43,
    "g": 67,
    "b": 136
  },
  "hsl": {
    "h": 224.516,
    "s": 51.955,
    "l": 35.098
  },
  "oklch": {
    "l": 0.40336,
    "c": 0.11888,
    "h": 266.6
  },
  "luminance": 0.06305
}

Semantic roles & 50–950 ramp

primary

#2B4388

secondary

#B39C5C

accent

#B64CDB

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #2B4388

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

Preview Lab → · Contrast checker → · Palette generator →