#2B4D8D#2B4D8D

#2B4D8D is a dark, moderate blue. Relative luminance 0.077; OKLCH L 43.0% C 0.113 H 261.8°. Best body text is #FFFFFF at 8.24:1 contrast (WCAG AA passes).

Color values

HEX	#2B4D8D
RGB	rgb(43, 77, 141)
HSL	hsl(219, 53%, 36%)
HSV	hsv(219, 70%, 55%)
CMYK	cmyk(69.5%, 45.4%, 0%, 44.7%)
CIE-LAB	lab(33.44, 10.09, -39.22)
CIE-LCH	lch(33.44, 40.50, 284.43°)
OKLab	oklab(42.95% -0.0162 -0.1121)
OKLCH	oklch(42.95% 0.113 261.8)
XYZ	xyz(8.4562, 7.7436, 26.2432)
Luminance	0.0774 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4D8D #8D6B2B

analogous

#2B7E8D #2B4D8D #3A2B8D

triadic

#2B4D8D #8D2B4D #4D8D2B

tetradic

#2B4D8D #8D2B7E #8D6B2B #2B8D3A

square

#2B4D8D #8D2B7E #8D6B2B #2B8D3A

split-complementary

#2B4D8D #8D3A2B #7E8D2B

monochromatic

#0E1A2F #1D335E #2B4D8D #3967BC #6389CF

Accessibility & contrast

On white

8.24

#2B4D8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#2B4D8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4D8D

8.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4D8D	#FFFFFF	#000000	##FFFFFF
##2B4D8D	1.00	8.24	2.55	8.24
#FFFFFF	8.24	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E538F

Deuteranopia (green-blind)

#1D4A8C

Tritanopia (blue-blind)

#005C66

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2b4d8d;
/* rgb */ color: rgb(43, 77, 141);
/* oklch */ color: oklch(43.0% 0.113 261.8);

Tailwind

colors: {
  custom: {
    50: '#707eaf',
    500: '#2b4d8d',
    950: '#000000',
  },
}

SCSS

$custom: #2b4d8d;
$custom-light: #707eaf;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4d8d",
  "rgb": {
    "r": 43,
    "g": 77,
    "b": 141
  },
  "hsl": {
    "h": 219.184,
    "s": 53.261,
    "l": 36.078
  },
  "oklch": {
    "l": 0.4295,
    "c": 0.11327,
    "h": 261.8
  },
  "luminance": 0.07744
}

Semantic roles & 50–950 ramp

primary

#2B4D8D

secondary

#B6975E

accent

#AA4BDD

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080910

muted

#7B7B7F

Preview Lab

Preview with #2B4D8D

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

Preview Lab → · Contrast checker → · Palette generator →