#2B4F85#2B4F85

#2B4F85 is a dark, moderate blue. Relative luminance 0.078; OKLCH L 42.9% C 0.099 H 258.3°. Best body text is #FFFFFF at 8.20:1 contrast (WCAG AA passes).

Color values

HEX	#2B4F85
RGB	rgb(43, 79, 133)
HSL	hsl(216, 51%, 35%)
HSV	hsv(216, 68%, 52%)
CMYK	cmyk(67.7%, 40.6%, 0%, 47.8%)
CIE-LAB	lab(33.56, 5.73, -34.13)
CIE-LCH	lch(33.56, 34.60, 279.53°)
OKLab	oklab(42.88% -0.02 -0.0971)
OKLCH	oklch(42.88% 0.099 258.3)
XYZ	xyz(8.0244, 7.7982, 23.2681)
Luminance	0.0780 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4F85 #85612B

analogous

#2B7C85 #2B4F85 #342B85

triadic

#2B4F85 #852B4F #4F852B

tetradic

#2B4F85 #852B7C #85612B #2B8534

square

#2B4F85 #852B7C #85612B #2B8534

split-complementary

#2B4F85 #85342B #7C852B

monochromatic

#0D1829 #1C3457 #2B4F85 #3A6AB3 #5F8ACB

Accessibility & contrast

On white

8.20

#2B4F85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#2B4F85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4F85

8.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4F85	#FFFFFF	#000000	##FFFFFF
##2B4F85	1.00	8.20	2.56	8.20
#FFFFFF	8.20	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#375387

Deuteranopia (green-blind)

#2A4B84

Tritanopia (blue-blind)

#005B63

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2b4f85;
/* rgb */ color: rgb(43, 79, 133);
/* oklch */ color: oklch(42.9% 0.099 258.3);

Tailwind

colors: {
  custom: {
    50: '#6e7fa9',
    500: '#2b4f85',
    950: '#000000',
  },
}

SCSS

$custom: #2b4f85;
$custom-light: #6e7fa9;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4f85",
  "rgb": {
    "r": 43,
    "g": 79,
    "b": 133
  },
  "hsl": {
    "h": 216,
    "s": 51.136,
    "l": 34.51
  },
  "oklch": {
    "l": 0.42882,
    "c": 0.09917,
    "h": 258.3
  },
  "luminance": 0.07799
}

Semantic roles & 50–950 ramp

primary

#2B4F85

secondary

#B18F5B

accent

#A24DDB

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080A10

muted

#7B7C7F

Preview Lab

Preview with #2B4F85

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

Preview Lab → · Contrast checker → · Palette generator →