#2818A0#2818A0

#2818A0 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 35.4% C 0.199 H 274.4°. Best body text is #FFFFFF at 12.15:1 contrast (WCAG AA passes).

Color values

HEX	#2818A0
RGB	rgb(40, 24, 160)
HSL	hsl(247, 74%, 36%)
HSV	hsv(247, 85%, 63%)
CMYK	cmyk(75%, 85%, 0%, 37.3%)
CIE-LAB	lab(22.45, 49.15, -68.80)
CIE-LCH	lch(22.45, 84.56, 305.54°)
OKLab	oklab(35.35% 0.0152 -0.1989)
OKLCH	oklch(35.35% 0.199 274.4)
XYZ	xyz(7.5448, 3.6417, 33.5562)
Luminance	0.0364 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2818A0 #90A018

analogous

#184CA0 #2818A0 #6C18A0

triadic

#2818A0 #A02818 #18A028

tetradic

#2818A0 #A0184C #90A018 #18A06C

square

#2818A0 #A0184C #90A018 #18A06C

split-complementary

#2818A0 #A06C18 #4CA018

monochromatic

#0D0836 #1B106B #2818A0 #3520D5 #604EE4

Accessibility & contrast

On white

12.15

#2818A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#2818A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2818A0

12.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2818A0	#FFFFFF	#000000	##FFFFFF
##2818A0	1.00	12.15	1.73	12.15
#FFFFFF	12.15	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003CA4

Deuteranopia (green-blind)

#002F9E

Tritanopia (blue-blind)

#00455F

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #2818a0;
/* rgb */ color: rgb(40, 24, 160);
/* oklch */ color: oklch(35.4% 0.199 274.4);

Tailwind

colors: {
  custom: {
    50: '#775bbe',
    500: '#2818a0',
    950: '#000000',
  },
}

SCSS

$custom: #2818a0;
$custom-light: #775bbe;
$custom-dark: #000000;

JSON

{
  "hex": "#2818a0",
  "rgb": {
    "r": 40,
    "g": 24,
    "b": 160
  },
  "hsl": {
    "h": 247.059,
    "s": 73.913,
    "l": 36.078
  },
  "oklch": {
    "l": 0.3535,
    "c": 0.19949,
    "h": 274.4
  },
  "luminance": 0.03642
}

Semantic roles & 50–950 ramp

primary

#2818A0

secondary

#B8C64D

accent

#F137DB

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #2818A0

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

Preview Lab → · Contrast checker → · Palette generator →