#2B4C8A#2B4C8A

#2B4C8A is a dark, moderate blue. Relative luminance 0.075; OKLCH L 42.5% C 0.110 H 261.8°. Best body text is #FFFFFF at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#2B4C8A
RGB	rgb(43, 76, 138)
HSL	hsl(219, 52%, 35%)
HSV	hsv(219, 69%, 54%)
CMYK	cmyk(68.8%, 44.9%, 0%, 45.9%)
CIE-LAB	lab(32.96, 9.62, -38.16)
CIE-LCH	lch(32.96, 39.35, 284.15°)
OKLab	oklab(42.51% -0.0158 -0.109)
OKLCH	oklch(42.51% 0.11 261.8)
XYZ	xyz(8.1665, 7.5166, 25.0603)
Luminance	0.0752 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4C8A #8A692B

analogous

#2B7B8A #2B4C8A #392B8A

triadic

#2B4C8A #8A2B4C #4C8A2B

tetradic

#2B4C8A #8A2B7B #8A692B #2B8A39

square

#2B4C8A #8A2B7B #8A692B #2B8A39

split-complementary

#2B4C8A #8A392B #7B8A2B

monochromatic

#0E192D #1C325B #2B4C8A #3A66B9 #6187CE

Accessibility & contrast

On white

8.39

#2B4C8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#2B4C8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4C8A

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4C8A	#FFFFFF	#000000	##FFFFFF
##2B4C8A	1.00	8.39	2.50	8.39
#FFFFFF	8.39	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E528C

Deuteranopia (green-blind)

#1E4989

Tritanopia (blue-blind)

#005A64

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2b4c8a;
/* rgb */ color: rgb(43, 76, 138);
/* oklch */ color: oklch(42.5% 0.110 261.8);

Tailwind

colors: {
  custom: {
    50: '#707dac',
    500: '#2b4c8a',
    950: '#000000',
  },
}

SCSS

$custom: #2b4c8a;
$custom-light: #707dac;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4c8a",
  "rgb": {
    "r": 43,
    "g": 76,
    "b": 138
  },
  "hsl": {
    "h": 219.158,
    "s": 52.486,
    "l": 35.49
  },
  "oklch": {
    "l": 0.42513,
    "c": 0.11015,
    "h": 261.8
  },
  "luminance": 0.07517
}

Semantic roles & 50–950 ramp

primary

#2B4C8A

secondary

#B4965D

accent

#AA4CDC

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080910

muted

#7B7B7F

Preview Lab

Preview with #2B4C8A

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

Preview Lab → · Contrast checker → · Palette generator →