#2A289B#2A289B

#2A289B is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.9% C 0.179 H 274.0°. Best body text is #FFFFFF at 11.20:1 contrast (WCAG AA passes).

Color values

HEX	#2A289B
RGB	rgb(42, 40, 155)
HSL	hsl(241, 59%, 38%)
HSV	hsv(241, 74%, 61%)
CMYK	cmyk(72.9%, 74.2%, 0%, 39.2%)
CIE-LAB	lab(24.88, 39.48, -61.72)
CIE-LCH	lch(24.88, 73.27, 302.61°)
OKLab	oklab(36.92% 0.0124 -0.1785)
OKLCH	oklch(36.92% 0.179 274)
XYZ	xyz(7.6281, 4.3756, 31.4466)
Luminance	0.0438 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A289B #999B28

analogous

#28609B #2A289B #63289B

triadic

#2A289B #9B2A28 #289B2A

tetradic

#2A289B #9B2860 #999B28 #289B63

square

#2A289B #9B2860 #999B28 #289B63

split-complementary

#2A289B #9B6328 #609B28

monochromatic

#100F3A #1D1B6A #2A289B #3835CB #6866D7

Accessibility & contrast

On white

11.20

#2A289B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#2A289B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A289B

11.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A289B	#FFFFFF	#000000	##FFFFFF
##2A289B	1.00	11.20	1.88	11.20
#FFFFFF	11.20	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00409E

Deuteranopia (green-blind)

#003699

Tritanopia (blue-blind)

#00495F

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #2a289b;
/* rgb */ color: rgb(42, 40, 155);
/* oklch */ color: oklch(36.9% 0.179 274.0);

Tailwind

colors: {
  custom: {
    50: '#7663ba',
    500: '#2a289b',
    950: '#000000',
  },
}

SCSS

$custom: #2a289b;
$custom-light: #7663ba;
$custom-dark: #000000;

JSON

{
  "hex": "#2a289b",
  "rgb": {
    "r": 42,
    "g": 40,
    "b": 155
  },
  "hsl": {
    "h": 241.043,
    "s": 58.974,
    "l": 38.235
  },
  "oklch": {
    "l": 0.36917,
    "c": 0.17895,
    "h": 274
  },
  "luminance": 0.04376
}

Semantic roles & 50–950 ramp

primary

#2A289B

secondary

#BCBD61

accent

#E246DF

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #2A289B

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

Preview Lab → · Contrast checker → · Palette generator →