#2B4E8F#2B4E8F

#2B4E8F is a dark, moderate blue. Relative luminance 0.079; OKLCH L 43.3% C 0.115 H 261.6°. Best body text is #FFFFFF at 8.11:1 contrast (WCAG AA passes).

Color values

HEX	#2B4E8F
RGB	rgb(43, 78, 143)
HSL	hsl(219, 54%, 36%)
HSV	hsv(219, 70%, 56%)
CMYK	cmyk(69.9%, 45.5%, 0%, 43.9%)
CIE-LAB	lab(33.87, 10.19, -39.76)
CIE-LCH	lch(33.87, 41.05, 284.37°)
OKLab	oklab(43.32% -0.0168 -0.1137)
OKLCH	oklch(43.32% 0.115 261.6)
XYZ	xyz(8.6768, 7.9447, 27.0575)
Luminance	0.0795 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4E8F #8F6C2B

analogous

#2B808F #2B4E8F #3A2B8F

triadic

#2B4E8F #8F2B4E #4E8F2B

tetradic

#2B4E8F #8F2B80 #8F6C2B #2B8F3A

square

#2B4E8F #8F2B80 #8F6C2B #2B8F3A

split-complementary

#2B4E8F #8F3A2B #808F2B

monochromatic

#0F1B31 #1D3460 #2B4E8F #3968BE #648AD0

Accessibility & contrast

On white

8.11

#2B4E8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#2B4E8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4E8F

8.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4E8F	#FFFFFF	#000000	##FFFFFF
##2B4E8F	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)

#2E5591

Deuteranopia (green-blind)

#1C4B8E

Tritanopia (blue-blind)

#005D67

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #2b4e8f;
/* rgb */ color: rgb(43, 78, 143);
/* oklch */ color: oklch(43.3% 0.115 261.6);

Tailwind

colors: {
  custom: {
    50: '#707fb0',
    500: '#2b4e8f',
    950: '#000000',
  },
}

SCSS

$custom: #2b4e8f;
$custom-light: #707fb0;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4e8f",
  "rgb": {
    "r": 43,
    "g": 78,
    "b": 143
  },
  "hsl": {
    "h": 219,
    "s": 53.763,
    "l": 36.471
  },
  "oklch": {
    "l": 0.43318,
    "c": 0.11492,
    "h": 261.6
  },
  "luminance": 0.07946
}

Semantic roles & 50–950 ramp

primary

#2B4E8F

secondary

#B7985F

accent

#AA4BDD

background

#F7F7FA

surface

#EDEEF5

border

#C8C9CF

text

#080A10

muted

#7B7C7F

Preview Lab

Preview with #2B4E8F

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

Preview Lab → · Contrast checker → · Palette generator →