#2B4F8A#2B4F8A

#2B4F8A is a dark, moderate blue. Relative luminance 0.079; OKLCH L 43.2% C 0.106 H 259.8°. Best body text is #FFFFFF at 8.11:1 contrast (WCAG AA passes).

Color values

HEX	#2B4F8A
RGB	rgb(43, 79, 138)
HSL	hsl(217, 52%, 35%)
HSV	hsv(217, 69%, 54%)
CMYK	cmyk(68.8%, 42.8%, 0%, 45.9%)
CIE-LAB	lab(33.86, 7.62, -36.72)
CIE-LCH	lch(33.86, 37.50, 281.72°)
OKLab	oklab(43.21% -0.0189 -0.1047)
OKLCH	oklch(43.21% 0.106 259.8)
XYZ	xyz(8.3780, 7.9397, 25.1308)
Luminance	0.0794 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4F8A #8A662B

analogous

#2B7E8A #2B4F8A #362B8A

triadic

#2B4F8A #8A2B4F #4F8A2B

tetradic

#2B4F8A #8A2B7E #8A662B #2B8A36

square

#2B4F8A #8A2B7E #8A662B #2B8A36

split-complementary

#2B4F8A #8A362B #7E8A2B

monochromatic

#0E1A2D #1C345B #2B4F8A #3A6AB9 #618BCE

Accessibility & contrast

On white

8.11

#2B4F8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#2B4F8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4F8A

8.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4F8A	#FFFFFF	#000000	##FFFFFF
##2B4F8A	1.00	8.11	2.59	8.11
#FFFFFF	8.11	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#34548C

Deuteranopia (green-blind)

#254C89

Tritanopia (blue-blind)

#005D65

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #2b4f8a;
/* rgb */ color: rgb(43, 79, 138);
/* oklch */ color: oklch(43.2% 0.106 259.8);

Tailwind

colors: {
  custom: {
    50: '#6f7fac',
    500: '#2b4f8a',
    950: '#000000',
  },
}

SCSS

$custom: #2b4f8a;
$custom-light: #6f7fac;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4f8a",
  "rgb": {
    "r": 43,
    "g": 79,
    "b": 138
  },
  "hsl": {
    "h": 217.263,
    "s": 52.486,
    "l": 35.49
  },
  "oklch": {
    "l": 0.4321,
    "c": 0.10643,
    "h": 259.8
  },
  "luminance": 0.07941
}

Semantic roles & 50–950 ramp

primary

#2B4F8A

secondary

#B4935D

accent

#A54CDC

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080A10

muted

#7B7C7F

Preview Lab

Preview with #2B4F8A

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

Preview Lab → · Contrast checker → · Palette generator →