#2B3A82#2B3A82

#2B3A82 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 37.9% C 0.122 H 270.7°. Best body text is #FFFFFF at 10.34:1 contrast (WCAG AA passes).

Color values

HEX	#2B3A82
RGB	rgb(43, 58, 130)
HSL	hsl(230, 50%, 34%)
HSV	hsv(230, 67%, 51%)
CMYK	cmyk(66.9%, 55.4%, 0%, 49%)
CIE-LAB	lab(27.16, 18.82, -42.52)
CIE-LCH	lch(27.16, 46.50, 293.88°)
OKLab	oklab(37.92% 0.0014 -0.1221)
OKLCH	oklch(37.92% 0.122 270.7)
XYZ	xyz(6.5372, 5.1508, 21.7645)
Luminance	0.0515 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3A82 #82732B

analogous

#2B6682 #2B3A82 #482B82

triadic

#2B3A82 #822B3A #3A822B

tetradic

#2B3A82 #822B66 #82732B #2B8248

square

#2B3A82 #822B66 #82732B #2B8248

split-complementary

#2B3A82 #82482B #66822B

monochromatic

#0D1126 #1C2554 #2B3A82 #3A4FB0 #5E70CA

Accessibility & contrast

On white

10.34

#2B3A82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#2B3A82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3A82

10.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3A82	#FFFFFF	#000000	##FFFFFF
##2B3A82	1.00	10.34	2.03	10.34
#FFFFFF	10.34	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#084485

Deuteranopia (green-blind)

#003C81

Tritanopia (blue-blind)

#004B58

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2b3a82;
/* rgb */ color: rgb(43, 58, 130);
/* oklch */ color: oklch(37.9% 0.122 270.7);

Tailwind

colors: {
  custom: {
    50: '#6f6fa7',
    500: '#2b3a82',
    950: '#000000',
  },
}

SCSS

$custom: #2b3a82;
$custom-light: #6f6fa7;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3a82",
  "rgb": {
    "r": 43,
    "g": 58,
    "b": 130
  },
  "hsl": {
    "h": 229.655,
    "s": 50.289,
    "l": 33.922
  },
  "oklch": {
    "l": 0.3792,
    "c": 0.12214,
    "h": 270.7
  },
  "luminance": 0.05151
}

Semantic roles & 50–950 ramp

primary

#2B3A82

secondary

#B0A159

accent

#C24EDA

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#08070F

muted

#7B7A7F

Preview Lab

Preview with #2B3A82

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

Preview Lab → · Contrast checker → · Palette generator →