#2B30A4#2B30A4

#2B30A4 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 39.2% C 0.182 H 272.4°. Best body text is #FFFFFF at 10.19:1 contrast (WCAG AA passes).

Color values

HEX	#2B30A4
RGB	rgb(43, 48, 164)
HSL	hsl(238, 58%, 41%)
HSV	hsv(238, 74%, 64%)
CMYK	cmyk(73.8%, 70.7%, 0%, 35.7%)
CIE-LAB	lab(27.59, 37.89, -62.72)
CIE-LCH	lch(27.59, 73.28, 301.13°)
OKLab	oklab(39.15% 0.0078 -0.1814)
OKLCH	oklch(39.15% 0.182 272.4)
XYZ	xyz(8.7518, 5.3069, 35.6779)
Luminance	0.0531 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B30A4 #A49F2B

analogous

#2B6CA4 #2B30A4 #632BA4

triadic

#2B30A4 #A42B30 #30A42B

tetradic

#2B30A4 #A42B6C #A49F2B #2BA463

square

#2B30A4 #A42B6C #A49F2B #2BA463

split-complementary

#2B30A4 #A4632B #6CA42B

monochromatic

#121443 #1E2274 #2B30A4 #3F45CD #7074D9

Accessibility & contrast

On white

10.19

#2B30A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#2B30A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B30A4

10.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B30A4	#FFFFFF	#000000	##FFFFFF
##2B30A4	1.00	10.19	2.06	10.19
#FFFFFF	10.19	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047A8

Deuteranopia (green-blind)

#003BA2

Tritanopia (blue-blind)

#005066

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2b30a4;
/* rgb */ color: rgb(43, 48, 164);
/* oklch */ color: oklch(39.2% 0.182 272.4);

Tailwind

colors: {
  custom: {
    50: '#7769c0',
    500: '#2b30a4',
    950: '#000000',
  },
}

SCSS

$custom: #2b30a4;
$custom-light: #7769c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2b30a4",
  "rgb": {
    "r": 43,
    "g": 48,
    "b": 164
  },
  "hsl": {
    "h": 237.521,
    "s": 58.454,
    "l": 40.588
  },
  "oklch": {
    "l": 0.39153,
    "c": 0.18161,
    "h": 272.4
  },
  "luminance": 0.05308
}

Semantic roles & 50–950 ramp

primary

#2B30A4

secondary

#C1BD6A

accent

#DB46E2

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2B30A4

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

Preview Lab → · Contrast checker → · Palette generator →