#2A17A0#2A17A0

#2A17A0 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 35.4% C 0.200 H 275.2°. Best body text is #FFFFFF at 12.15:1 contrast (WCAG AA passes).

Color values

HEX	#2A17A0
RGB	rgb(42, 23, 160)
HSL	hsl(248, 75%, 36%)
HSV	hsv(248, 86%, 63%)
CMYK	cmyk(73.8%, 85.6%, 0%, 37.3%)
CIE-LAB	lab(22.45, 49.71, -68.79)
CIE-LCH	lch(22.45, 84.87, 305.85°)
OKLab	oklab(35.39% 0.0183 -0.1988)
OKLCH	oklch(35.39% 0.2 275.2)
XYZ	xyz(7.6043, 3.6423, 33.5532)
Luminance	0.0364 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A17A0 #8DA017

analogous

#1748A0 #2A17A0 #6E17A0

triadic

#2A17A0 #A02A17 #17A02A

tetradic

#2A17A0 #A01748 #8DA017 #17A06E

square

#2A17A0 #A01748 #8DA017 #17A06E

split-complementary

#2A17A0 #A06E17 #48A017

monochromatic

#0E0835 #1C0F6A #2A17A0 #381FD6 #614CE5

Accessibility & contrast

On white

12.15

#2A17A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#2A17A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A17A0

12.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A17A0	#FFFFFF	#000000	##FFFFFF
##2A17A0	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)

#003BA4

Deuteranopia (green-blind)

#002F9E

Tritanopia (blue-blind)

#00445E

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #2a17a0;
/* rgb */ color: rgb(42, 23, 160);
/* oklch */ color: oklch(35.4% 0.200 275.2);

Tailwind

colors: {
  custom: {
    50: '#785abe',
    500: '#2a17a0',
    950: '#000000',
  },
}

SCSS

$custom: #2a17a0;
$custom-light: #785abe;
$custom-dark: #000000;

JSON

{
  "hex": "#2a17a0",
  "rgb": {
    "r": 42,
    "g": 23,
    "b": 160
  },
  "hsl": {
    "h": 248.321,
    "s": 74.863,
    "l": 35.882
  },
  "oklch": {
    "l": 0.35389,
    "c": 0.19967,
    "h": 275.2
  },
  "luminance": 0.03643
}

Semantic roles & 50–950 ramp

primary

#2A17A0

secondary

#B6C74C

accent

#F136D8

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0B0412

muted

#7C7981

Preview Lab

Preview with #2A17A0

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

Preview Lab → · Contrast checker → · Palette generator →