#2B4C8B#2B4C8B

#2B4C8B is a dark, moderate blue. Relative luminance 0.075; OKLCH L 42.6% C 0.112 H 262.0°. Best body text is #FFFFFF at 8.37:1 contrast (WCAG AA passes).

Color values

HEX	#2B4C8B
RGB	rgb(43, 76, 139)
HSL	hsl(219, 53%, 36%)
HSV	hsv(219, 69%, 55%)
CMYK	cmyk(69.1%, 45.3%, 0%, 45.5%)
CIE-LAB	lab(33.02, 10.00, -38.67)
CIE-LCH	lch(33.02, 39.95, 284.50°)
OKLab	oklab(42.58% -0.0156 -0.1105)
OKLCH	oklch(42.58% 0.112 262)
XYZ	xyz(8.2393, 7.5457, 25.4434)
Luminance	0.0755 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4C8B #8B6A2B

analogous

#2B7C8B #2B4C8B #3A2B8B

triadic

#2B4C8B #8B2B4C #4C8B2B

tetradic

#2B4C8B #8B2B7C #8B6A2B #2B8B3A

square

#2B4C8B #8B2B7C #8B6A2B #2B8B3A

split-complementary

#2B4C8B #8B3A2B #7C8B2B

monochromatic

#0E192E #1D325C #2B4C8B #3966BA #6287CE

Accessibility & contrast

On white

8.37

#2B4C8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#2B4C8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4C8B

8.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4C8B	#FFFFFF	#000000	##FFFFFF
##2B4C8B	1.00	8.37	2.51	8.37
#FFFFFF	8.37	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E528D

Deuteranopia (green-blind)

#1D4A8A

Tritanopia (blue-blind)

#005B64

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2b4c8b;
/* rgb */ color: rgb(43, 76, 139);
/* oklch */ color: oklch(42.6% 0.112 262.0);

Tailwind

colors: {
  custom: {
    50: '#707dad',
    500: '#2b4c8b',
    950: '#000000',
  },
}

SCSS

$custom: #2b4c8b;
$custom-light: #707dad;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4c8b",
  "rgb": {
    "r": 43,
    "g": 76,
    "b": 139
  },
  "hsl": {
    "h": 219.375,
    "s": 52.747,
    "l": 35.686
  },
  "oklch": {
    "l": 0.42582,
    "c": 0.11161,
    "h": 262
  },
  "luminance": 0.07547
}

Semantic roles & 50–950 ramp

primary

#2B4C8B

secondary

#B5975D

accent

#AA4CDC

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080910

muted

#7B7B7F

Preview Lab

Preview with #2B4C8B

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

Preview Lab → · Contrast checker → · Palette generator →