#2A289F#2A289F

#2A289F is a dark, vivid blue. Relative luminance 0.045; OKLCH L 37.3% C 0.184 H 273.6°. Best body text is #FFFFFF at 11.04:1 contrast (WCAG AA passes).

Color values

HEX	#2A289F
RGB	rgb(42, 40, 159)
HSL	hsl(241, 60%, 39%)
HSV	hsv(241, 75%, 62%)
CMYK	cmyk(73.6%, 74.8%, 0%, 37.6%)
CIE-LAB	lab(25.30, 40.84, -63.47)
CIE-LCH	lch(25.30, 75.48, 302.76°)
OKLab	oklab(37.34% 0.0117 -0.1836)
OKLCH	oklch(37.34% 0.184 273.6)
XYZ	xyz(7.9696, 4.5122, 33.2451)
Luminance	0.0451 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A289F #9D9F28

analogous

#28629F #2A289F #66289F

triadic

#2A289F #9F2A28 #289F2A

tetradic

#2A289F #9F2862 #9D9F28 #289F66

square

#2A289F #9F2862 #9D9F28 #289F66

split-complementary

#2A289F #9F6628 #629F28

monochromatic

#100F3D #1D1C6E #2A289F #3A37CD #6A68D9

Accessibility & contrast

On white

11.04

#2A289F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#2A289F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A289F

11.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A289F	#FFFFFF	#000000	##FFFFFF
##2A289F	1.00	11.04	1.90	11.04
#FFFFFF	11.04	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042A2

Deuteranopia (green-blind)

#00369D

Tritanopia (blue-blind)

#004A61

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2a289f;
/* rgb */ color: rgb(42, 40, 159);
/* oklch */ color: oklch(37.3% 0.184 273.6);

Tailwind

colors: {
  custom: {
    50: '#7764bd',
    500: '#2a289f',
    950: '#000000',
  },
}

SCSS

$custom: #2a289f;
$custom-light: #7764bd;
$custom-dark: #000000;

JSON

{
  "hex": "#2a289f",
  "rgb": {
    "r": 42,
    "g": 40,
    "b": 159
  },
  "hsl": {
    "h": 241.008,
    "s": 59.799,
    "l": 39.02
  },
  "oklch": {
    "l": 0.37342,
    "c": 0.18399,
    "h": 273.6
  },
  "luminance": 0.04513
}

Semantic roles & 50–950 ramp

primary

#2A289F

secondary

#BEBF64

accent

#E345E0

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #2A289F

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

Preview Lab → · Contrast checker → · Palette generator →