#2B30A3#2B30A3

#2B30A3 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 39.1% C 0.180 H 272.5°. Best body text is #FFFFFF at 10.22:1 contrast (WCAG AA passes).

Color values

HEX	#2B30A3
RGB	rgb(43, 48, 163)
HSL	hsl(238, 58%, 40%)
HSV	hsv(238, 74%, 64%)
CMYK	cmyk(73.6%, 70.6%, 0%, 36.1%)
CIE-LAB	lab(27.49, 37.53, -62.28)
CIE-LCH	lch(27.49, 72.72, 301.08°)
OKLab	oklab(39.05% 0.0079 -0.1801)
OKLCH	oklch(39.05% 0.18 272.5)
XYZ	xyz(8.6618, 5.2710, 35.2041)
Luminance	0.0527 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B30A3 #A39E2B

analogous

#2B6CA3 #2B30A3 #622BA3

triadic

#2B30A3 #A32B30 #30A32B

tetradic

#2B30A3 #A32B6C #A39E2B #2BA362

square

#2B30A3 #A32B6C #A39E2B #2BA362

split-complementary

#2B30A3 #A3622B #6CA32B

monochromatic

#111342 #1E2273 #2B30A3 #3F45CC #6F74D9

Accessibility & contrast

On white

10.22

#2B30A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#2B30A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B30A3

10.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B30A3	#FFFFFF	#000000	##FFFFFF
##2B30A3	1.00	10.22	2.05	10.22
#FFFFFF	10.22	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047A6

Deuteranopia (green-blind)

#003BA1

Tritanopia (blue-blind)

#005066

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2b30a3;
/* rgb */ color: rgb(43, 48, 163);
/* oklch */ color: oklch(39.1% 0.180 272.5);

Tailwind

colors: {
  custom: {
    50: '#7769bf',
    500: '#2b30a3',
    950: '#000000',
  },
}

SCSS

$custom: #2b30a3;
$custom-light: #7769bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2b30a3",
  "rgb": {
    "r": 43,
    "g": 48,
    "b": 163
  },
  "hsl": {
    "h": 237.5,
    "s": 58.252,
    "l": 40.392
  },
  "oklch": {
    "l": 0.39052,
    "c": 0.18032,
    "h": 272.5
  },
  "luminance": 0.05272
}

Semantic roles & 50–950 ramp

primary

#2B30A3

secondary

#C0BD6A

accent

#DB46E1

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2B30A3

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

Preview Lab → · Contrast checker → · Palette generator →