#2A30A4#2A30A4

#2A30A4 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 39.1% C 0.182 H 272.1°. Best body text is #FFFFFF at 10.21:1 contrast (WCAG AA passes).

Color values

HEX	#2A30A4
RGB	rgb(42, 48, 164)
HSL	hsl(237, 59%, 40%)
HSV	hsv(237, 74%, 64%)
CMYK	cmyk(74.4%, 70.7%, 0%, 35.7%)
CIE-LAB	lab(27.53, 37.78, -62.82)
CIE-LCH	lch(27.53, 73.31, 301.02°)
OKLab	oklab(39.1% 0.0066 -0.1817)
OKLCH	oklch(39.1% 0.182 272.1)
XYZ	xyz(8.7104, 5.2856, 35.6759)
Luminance	0.0529 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A30A4 #A49E2A

analogous

#2A6DA4 #2A30A4 #612AA4

triadic

#2A30A4 #A42A30 #30A42A

tetradic

#2A30A4 #A42A6D #A49E2A #2AA461

square

#2A30A4 #A42A6D #A49E2A #2AA461

split-complementary

#2A30A4 #A4612A #6DA42A

monochromatic

#111343 #1E2273 #2A30A4 #3E45CD #6E74DA

Accessibility & contrast

On white

10.21

#2A30A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#2A30A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A30A4

10.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A30A4	#FFFFFF	#000000	##FFFFFF
##2A30A4	1.00	10.21	2.06	10.21
#FFFFFF	10.21	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.21	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: #2a30a4;
/* rgb */ color: rgb(42, 48, 164);
/* oklch */ color: oklch(39.1% 0.182 272.1);

Tailwind

colors: {
  custom: {
    50: '#7769c0',
    500: '#2a30a4',
    950: '#000000',
  },
}

SCSS

$custom: #2a30a4;
$custom-light: #7769c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2a30a4",
  "rgb": {
    "r": 42,
    "g": 48,
    "b": 164
  },
  "hsl": {
    "h": 237.049,
    "s": 59.223,
    "l": 40.392
  },
  "oklch": {
    "l": 0.39095,
    "c": 0.18187,
    "h": 272.1
  },
  "luminance": 0.05286
}

Semantic roles & 50–950 ramp

primary

#2A30A4

secondary

#C1BD69

accent

#DB45E2

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2A30A4

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

Preview Lab → · Contrast checker → · Palette generator →