#2B4C91#2B4C91

#2B4C91 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.0% C 0.120 H 263.1°. Best body text is #FFFFFF at 8.25:1 contrast (WCAG AA passes).

Color values

HEX	#2B4C91
RGB	rgb(43, 76, 145)
HSL	hsl(221, 54%, 37%)
HSV	hsv(221, 70%, 57%)
CMYK	cmyk(70.3%, 47.6%, 0%, 43.1%)
CIE-LAB	lab(33.41, 12.29, -41.72)
CIE-LCH	lch(33.41, 43.50, 286.42°)
OKLab	oklab(43% -0.0145 -0.1195)
OKLCH	oklch(43% 0.12 263.1)
XYZ	xyz(8.6897, 7.7259, 27.8159)
Luminance	0.0773 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4C91 #91702B

analogous

#2B7F91 #2B4C91 #3D2B91

triadic

#2B4C91 #912B4C #4C912B

tetradic

#2B4C91 #912B7F #91702B #2B913D

square

#2B4C91 #912B7F #91702B #2B913D

split-complementary

#2B4C91 #913D2B #7F912B

monochromatic

#0F1B33 #1D3362 #2B4C91 #3965C0 #6588D1

Accessibility & contrast

On white

8.25

#2B4C91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#2B4C91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4C91

8.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4C91	#FFFFFF	#000000	##FFFFFF
##2B4C91	1.00	8.25	2.55	8.25
#FFFFFF	8.25	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#295494

Deuteranopia (green-blind)

#134A90

Tritanopia (blue-blind)

#005C67

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2b4c91;
/* rgb */ color: rgb(43, 76, 145);
/* oklch */ color: oklch(43.0% 0.120 263.1);

Tailwind

colors: {
  custom: {
    50: '#717db2',
    500: '#2b4c91',
    950: '#000000',
  },
}

SCSS

$custom: #2b4c91;
$custom-light: #717db2;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4c91",
  "rgb": {
    "r": 43,
    "g": 76,
    "b": 145
  },
  "hsl": {
    "h": 220.588,
    "s": 54.255,
    "l": 36.863
  },
  "oklch": {
    "l": 0.43004,
    "c": 0.12036,
    "h": 263.1
  },
  "luminance": 0.07727
}

Semantic roles & 50–950 ramp

primary

#2B4C91

secondary

#B89B60

accent

#AE4ADE

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #2B4C91

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

Preview Lab → · Contrast checker → · Palette generator →