#2B4E8A#2B4E8A

#2B4E8A is a dark, moderate blue. Relative luminance 0.078; OKLCH L 43.0% C 0.108 H 260.5°. Best body text is #FFFFFF at 8.21:1 contrast (WCAG AA passes).

Color values

HEX	#2B4E8A
RGB	rgb(43, 78, 138)
HSL	hsl(218, 52%, 35%)
HSV	hsv(218, 69%, 54%)
CMYK	cmyk(68.8%, 43.5%, 0%, 45.9%)
CIE-LAB	lab(33.56, 8.29, -37.20)
CIE-LCH	lch(33.56, 38.11, 282.56°)
OKLab	oklab(42.98% -0.0178 -0.1062)
OKLCH	oklch(42.98% 0.108 260.5)
XYZ	xyz(8.3065, 7.7965, 25.1070)
Luminance	0.0780 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4E8A #8A672B

analogous

#2B7D8A #2B4E8A #382B8A

triadic

#2B4E8A #8A2B4E #4E8A2B

tetradic

#2B4E8A #8A2B7D #8A672B #2B8A38

square

#2B4E8A #8A2B7D #8A672B #2B8A38

split-complementary

#2B4E8A #8A382B #7D8A2B

monochromatic

#0E192D #1C345B #2B4E8A #3A68B9 #6189CE

Accessibility & contrast

On white

8.21

#2B4E8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#2B4E8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4E8A

8.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4E8A	#FFFFFF	#000000	##FFFFFF
##2B4E8A	1.00	8.21	2.56	8.21
#FFFFFF	8.21	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#32548C

Deuteranopia (green-blind)

#234B89

Tritanopia (blue-blind)

#005C65

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2b4e8a;
/* rgb */ color: rgb(43, 78, 138);
/* oklch */ color: oklch(43.0% 0.108 260.5);

Tailwind

colors: {
  custom: {
    50: '#6f7fac',
    500: '#2b4e8a',
    950: '#000000',
  },
}

SCSS

$custom: #2b4e8a;
$custom-light: #6f7fac;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4e8a",
  "rgb": {
    "r": 43,
    "g": 78,
    "b": 138
  },
  "hsl": {
    "h": 217.895,
    "s": 52.486,
    "l": 35.49
  },
  "oklch": {
    "l": 0.42976,
    "c": 0.10765,
    "h": 260.5
  },
  "luminance": 0.07797
}

Semantic roles & 50–950 ramp

primary

#2B4E8A

secondary

#B4945D

accent

#A74CDC

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080A10

muted

#7B7C7F

Preview Lab

Preview with #2B4E8A

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

Preview Lab → · Contrast checker → · Palette generator →