#2A289E#2A289E

#2A289E is a dark, vivid blue. Relative luminance 0.045; OKLCH L 37.2% C 0.183 H 273.7°. Best body text is #FFFFFF at 11.08:1 contrast (WCAG AA passes).

Color values

HEX	#2A289E
RGB	rgb(42, 40, 158)
HSL	hsl(241, 60%, 39%)
HSV	hsv(241, 75%, 62%)
CMYK	cmyk(73.4%, 74.7%, 0%, 38%)
CIE-LAB	lab(25.19, 40.50, -63.04)
CIE-LCH	lch(25.19, 74.93, 302.72°)
OKLab	oklab(37.24% 0.0119 -0.1824)
OKLCH	oklch(37.24% 0.183 273.7)
XYZ	xyz(7.8831, 4.4777, 32.7899)
Luminance	0.0448 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A289E #9C9E28

analogous

#28619E #2A289E #65289E

triadic

#2A289E #9E2A28 #289E2A

tetradic

#2A289E #9E2861 #9C9E28 #289E65

square

#2A289E #9E2861 #9C9E28 #289E65

split-complementary

#2A289E #9E6528 #619E28

monochromatic

#100F3C #1D1C6D #2A289E #3937CC #6A68D9

Accessibility & contrast

On white

11.08

#2A289E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#2A289E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A289E

11.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A289E	#FFFFFF	#000000	##FFFFFF
##2A289E	1.00	11.08	1.90	11.08
#FFFFFF	11.08	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041A1

Deuteranopia (green-blind)

#00369C

Tritanopia (blue-blind)

#004A61

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2a289e;
/* rgb */ color: rgb(42, 40, 158);
/* oklch */ color: oklch(37.2% 0.183 273.7);

Tailwind

colors: {
  custom: {
    50: '#7663bc',
    500: '#2a289e',
    950: '#000000',
  },
}

SCSS

$custom: #2a289e;
$custom-light: #7663bc;
$custom-dark: #000000;

JSON

{
  "hex": "#2a289e",
  "rgb": {
    "r": 42,
    "g": 40,
    "b": 158
  },
  "hsl": {
    "h": 241.017,
    "s": 59.596,
    "l": 38.824
  },
  "oklch": {
    "l": 0.37236,
    "c": 0.18274,
    "h": 273.7
  },
  "luminance": 0.04478
}

Semantic roles & 50–950 ramp

primary

#2A289E

secondary

#BDBF63

accent

#E345E0

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #2A289E

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

Preview Lab → · Contrast checker → · Palette generator →