#2A289D#2A289D

#2A289D is a dark, vivid blue. Relative luminance 0.044; OKLCH L 37.1% C 0.181 H 273.8°. Best body text is #FFFFFF at 11.12:1 contrast (WCAG AA passes).

Color values

HEX	#2A289D
RGB	rgb(42, 40, 157)
HSL	hsl(241, 59%, 39%)
HSV	hsv(241, 75%, 62%)
CMYK	cmyk(73.2%, 74.5%, 0%, 38.4%)
CIE-LAB	lab(25.09, 40.16, -62.60)
CIE-LCH	lch(25.09, 74.38, 302.68°)
OKLab	oklab(37.13% 0.0121 -0.1811)
OKLCH	oklch(37.13% 0.181 273.8)
XYZ	xyz(7.7974, 4.4434, 32.3385)
Luminance	0.0444 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A289D #9B9D28

analogous

#28609D #2A289D #64289D

triadic

#2A289D #9D2A28 #289D2A

tetradic

#2A289D #9D2860 #9B9D28 #289D64

square

#2A289D #9D2860 #9B9D28 #289D64

split-complementary

#2A289D #9D6428 #609D28

monochromatic

#100F3B #1D1C6C #2A289D #3936CC #6967D8

Accessibility & contrast

On white

11.12

#2A289D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#2A289D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A289D

11.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A289D	#FFFFFF	#000000	##FFFFFF
##2A289D	1.00	11.12	1.89	11.12
#FFFFFF	11.12	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041A0

Deuteranopia (green-blind)

#00369B

Tritanopia (blue-blind)

#004A60

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #2a289d;
/* rgb */ color: rgb(42, 40, 157);
/* oklch */ color: oklch(37.1% 0.181 273.8);

Tailwind

colors: {
  custom: {
    50: '#7663bb',
    500: '#2a289d',
    950: '#000000',
  },
}

SCSS

$custom: #2a289d;
$custom-light: #7663bb;
$custom-dark: #000000;

JSON

{
  "hex": "#2a289d",
  "rgb": {
    "r": 42,
    "g": 40,
    "b": 157
  },
  "hsl": {
    "h": 241.026,
    "s": 59.391,
    "l": 38.627
  },
  "oklch": {
    "l": 0.37129,
    "c": 0.18148,
    "h": 273.8
  },
  "luminance": 0.04444
}

Semantic roles & 50–950 ramp

primary

#2A289D

secondary

#BDBE62

accent

#E345E0

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #2A289D

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

Preview Lab → · Contrast checker → · Palette generator →