#2B4E85#2B4E85

#2B4E85 is a dark, moderate blue. Relative luminance 0.077; OKLCH L 42.6% C 0.100 H 259.1°. Best body text is #FFFFFF at 8.30:1 contrast (WCAG AA passes).

Color values

HEX	#2B4E85
RGB	rgb(43, 78, 133)
HSL	hsl(217, 51%, 35%)
HSV	hsv(217, 68%, 52%)
CMYK	cmyk(67.7%, 41.4%, 0%, 47.8%)
CIE-LAB	lab(33.25, 6.39, -34.61)
CIE-LCH	lch(33.25, 35.20, 280.46°)
OKLab	oklab(42.65% -0.019 -0.0986)
OKLCH	oklch(42.65% 0.1 259.1)
XYZ	xyz(7.9528, 7.6551, 23.2442)
Luminance	0.0766 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4E85 #85622B

analogous

#2B7B85 #2B4E85 #352B85

triadic

#2B4E85 #852B4E #4E852B

tetradic

#2B4E85 #852B7B #85622B #2B8535

square

#2B4E85 #852B7B #85622B #2B8535

split-complementary

#2B4E85 #85352B #7B852B

monochromatic

#0D1829 #1C3357 #2B4E85 #3A69B3 #5F89CB

Accessibility & contrast

On white

8.30

#2B4E85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#2B4E85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4E85

8.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4E85	#FFFFFF	#000000	##FFFFFF
##2B4E85	1.00	8.30	2.53	8.30
#FFFFFF	8.30	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#355387

Deuteranopia (green-blind)

#284A84

Tritanopia (blue-blind)

#005B63

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2b4e85;
/* rgb */ color: rgb(43, 78, 133);
/* oklch */ color: oklch(42.6% 0.100 259.1);

Tailwind

colors: {
  custom: {
    50: '#6e7fa9',
    500: '#2b4e85',
    950: '#000000',
  },
}

SCSS

$custom: #2b4e85;
$custom-light: #6e7fa9;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4e85",
  "rgb": {
    "r": 43,
    "g": 78,
    "b": 133
  },
  "hsl": {
    "h": 216.667,
    "s": 51.136,
    "l": 34.51
  },
  "oklch": {
    "l": 0.42645,
    "c": 0.10037,
    "h": 259.1
  },
  "luminance": 0.07656
}

Semantic roles & 50–950 ramp

primary

#2B4E85

secondary

#B1905B

accent

#A44DDB

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080A10

muted

#7B7C7F

Preview Lab

Preview with #2B4E85

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

Preview Lab → · Contrast checker → · Palette generator →