#2A18A0#2A18A0

#2A18A0 is a dark, vivid blue. Relative luminance 0.037; OKLCH L 35.5% C 0.199 H 275.2°. Best body text is #FFFFFF at 12.09:1 contrast (WCAG AA passes).

Color values

HEX	#2A18A0
RGB	rgb(42, 24, 160)
HSL	hsl(248, 74%, 36%)
HSV	hsv(248, 85%, 63%)
CMYK	cmyk(73.8%, 85%, 0%, 37.3%)
CIE-LAB	lab(22.59, 49.29, -68.56)
CIE-LCH	lch(22.59, 84.44, 305.71°)
OKLab	oklab(35.49% 0.018 -0.1982)
OKLCH	oklch(35.49% 0.199 275.2)
XYZ	xyz(7.6246, 3.6828, 33.5599)
Luminance	0.0368 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A18A0 #8EA018

analogous

#184AA0 #2A18A0 #6E18A0

triadic

#2A18A0 #A02A18 #18A02A

tetradic

#2A18A0 #A0184A #8EA018 #18A06E

square

#2A18A0 #A0184A #8EA018 #18A06E

split-complementary

#2A18A0 #A06E18 #4AA018

monochromatic

#0E0836 #1C106B #2A18A0 #3820D5 #624EE4

Accessibility & contrast

On white

12.09

#2A18A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#2A18A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A18A0

12.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A18A0	#FFFFFF	#000000	##FFFFFF
##2A18A0	1.00	12.09	1.74	12.09
#FFFFFF	12.09	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003CA4

Deuteranopia (green-blind)

#00309E

Tritanopia (blue-blind)

#00445F

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #2a18a0;
/* rgb */ color: rgb(42, 24, 160);
/* oklch */ color: oklch(35.5% 0.199 275.2);

Tailwind

colors: {
  custom: {
    50: '#785bbe',
    500: '#2a18a0',
    950: '#000000',
  },
}

SCSS

$custom: #2a18a0;
$custom-light: #785bbe;
$custom-dark: #000000;

JSON

{
  "hex": "#2a18a0",
  "rgb": {
    "r": 42,
    "g": 24,
    "b": 160
  },
  "hsl": {
    "h": 247.941,
    "s": 73.913,
    "l": 36.078
  },
  "oklch": {
    "l": 0.35487,
    "c": 0.19898,
    "h": 275.2
  },
  "luminance": 0.03684
}

Semantic roles & 50–950 ramp

primary

#2A18A0

secondary

#B6C64D

accent

#F137D8

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0B0412

muted

#7C7981

Preview Lab

Preview with #2A18A0

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

Preview Lab → · Contrast checker → · Palette generator →