#2A30B0#2A30B0

#2A30B0 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 40.3% C 0.197 H 271.4°. Best body text is #FFFFFF at 9.78:1 contrast (WCAG AA passes).

Color values

HEX	#2A30B0
RGB	rgb(42, 48, 176)
HSL	hsl(237, 61%, 43%)
HSV	hsv(237, 76%, 69%)
CMYK	cmyk(76.1%, 72.7%, 0%, 31%)
CIE-LAB	lab(28.75, 41.95, -68.04)
CIE-LCH	lch(28.75, 79.93, 301.66°)
OKLab	oklab(40.33% 0.005 -0.197)
OKLCH	oklch(40.33% 0.197 271.4)
XYZ	xyz(9.8456, 5.7397, 41.6549)
Luminance	0.0574 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.45

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A30B0 #B0AA2A

analogous

#2A73B0 #2A30B0 #672AB0

triadic

#2A30B0 #B02A30 #30B02A

tetradic

#2A30B0 #B02A73 #B0AA2A #2AB067

square

#2A30B0 #B02A73 #B0AA2A #2AB067

split-complementary

#2A30B0 #B0672A #73B02A

monochromatic

#12154D #1E237F #2A30B0 #454BD3 #767BDE

Accessibility & contrast

On white

9.78

#2A30B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#2A30B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A30B0

9.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A30B0	#FFFFFF	#000000	##FFFFFF
##2A30B0	1.00	9.78	2.15	9.78
#FFFFFF	9.78	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AB4

Deuteranopia (green-blind)

#003DAE

Tritanopia (blue-blind)

#00556D

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2a30b0;
/* rgb */ color: rgb(42, 48, 176);
/* oklch */ color: oklch(40.3% 0.197 271.4);

Tailwind

colors: {
  custom: {
    50: '#7a69c9',
    500: '#2a30b0',
    950: '#000000',
  },
}

SCSS

$custom: #2a30b0;
$custom-light: #7a69c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2a30b0",
  "rgb": {
    "r": 42,
    "g": 48,
    "b": 176
  },
  "hsl": {
    "h": 237.313,
    "s": 61.468,
    "l": 42.745
  },
  "oklch": {
    "l": 0.40329,
    "c": 0.19702,
    "h": 271.4
  },
  "luminance": 0.05741
}

Semantic roles & 50–950 ramp

primary

#2A30B0

secondary

#C6C270

accent

#DD43E5

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2A30B0

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

Preview Lab → · Contrast checker → · Palette generator →