#2B4D8A#2B4D8A

#2B4D8A is a dark, moderate blue. Relative luminance 0.077; OKLCH L 42.7% C 0.109 H 261.1°. Best body text is #FFFFFF at 8.30:1 contrast (WCAG AA passes).

Color values

HEX	#2B4D8A
RGB	rgb(43, 77, 138)
HSL	hsl(219, 52%, 35%)
HSV	hsv(219, 69%, 54%)
CMYK	cmyk(68.8%, 44.2%, 0%, 45.9%)
CIE-LAB	lab(33.25, 8.95, -37.68)
CIE-LCH	lch(33.25, 38.73, 283.36°)
OKLab	oklab(42.74% -0.0168 -0.1076)
OKLCH	oklch(42.74% 0.109 261.1)
XYZ	xyz(8.2360, 7.6555, 25.0835)
Luminance	0.0766 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4D8A #8A682B

analogous

#2B7C8A #2B4D8A #382B8A

triadic

#2B4D8A #8A2B4D #4D8A2B

tetradic

#2B4D8A #8A2B7C #8A682B #2B8A38

square

#2B4D8A #8A2B7C #8A682B #2B8A38

split-complementary

#2B4D8A #8A382B #7C8A2B

monochromatic

#0E192D #1C335B #2B4D8A #3A67B9 #6188CE

Accessibility & contrast

On white

8.30

#2B4D8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#2B4D8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4D8A

8.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4D8A	#FFFFFF	#000000	##FFFFFF
##2B4D8A	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)

#30538C

Deuteranopia (green-blind)

#204A89

Tritanopia (blue-blind)

#005B64

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2b4d8a;
/* rgb */ color: rgb(43, 77, 138);
/* oklch */ color: oklch(42.7% 0.109 261.1);

Tailwind

colors: {
  custom: {
    50: '#6f7eac',
    500: '#2b4d8a',
    950: '#000000',
  },
}

SCSS

$custom: #2b4d8a;
$custom-light: #6f7eac;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4d8a",
  "rgb": {
    "r": 43,
    "g": 77,
    "b": 138
  },
  "hsl": {
    "h": 218.526,
    "s": 52.486,
    "l": 35.49
  },
  "oklch": {
    "l": 0.42744,
    "c": 0.1089,
    "h": 261.1
  },
  "luminance": 0.07656
}

Semantic roles & 50–950 ramp

primary

#2B4D8A

secondary

#B4955D

accent

#A84CDC

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080910

muted

#7B7B7F

Preview Lab

Preview with #2B4D8A

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

Preview Lab → · Contrast checker → · Palette generator →