#2A258C#2A258C

#2A258C is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.9% C 0.163 H 276.0°. Best body text is #FFFFFF at 12.06:1 contrast (WCAG AA passes).

Color values

HEX	#2A258C
RGB	rgb(42, 37, 140)
HSL	hsl(243, 58%, 35%)
HSV	hsv(243, 74%, 55%)
CMYK	cmyk(70%, 73.6%, 0%, 45.1%)
CIE-LAB	lab(22.68, 36.13, -56.08)
CIE-LCH	lch(22.68, 66.71, 302.79°)
OKLab	oklab(34.89% 0.0169 -0.162)
OKLCH	oklch(34.89% 0.163 276)
XYZ	xyz(6.3485, 3.7083, 25.1871)
Luminance	0.0371 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A258C #878C25

analogous

#25538C #2A258C #5E258C

triadic

#2A258C #8C2A25 #258C2A

tetradic

#2A258C #8C2553 #878C25 #258C5E

square

#2A258C #8C2553 #878C25 #258C5E

split-complementary

#2A258C #8C5E25 #538C25

monochromatic

#0D0B2B #1B185C #2A258C #3932BC #5E58D3

Accessibility & contrast

On white

12.06

#2A258C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#2A258C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A258C

12.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A258C	#FFFFFF	#000000	##FFFFFF
##2A258C	1.00	12.06	1.74	12.06
#FFFFFF	12.06	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B8F

Deuteranopia (green-blind)

#00328A

Tritanopia (blue-blind)

#004256

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #2a258c;
/* rgb */ color: rgb(42, 37, 140);
/* oklch */ color: oklch(34.9% 0.163 276.0);

Tailwind

colors: {
  custom: {
    50: '#7261af',
    500: '#2a258c',
    950: '#000000',
  },
}

SCSS

$custom: #2a258c;
$custom-light: #7261af;
$custom-dark: #000000;

JSON

{
  "hex": "#2a258c",
  "rgb": {
    "r": 42,
    "g": 37,
    "b": 140
  },
  "hsl": {
    "h": 242.913,
    "s": 58.192,
    "l": 34.706
  },
  "oklch": {
    "l": 0.34887,
    "c": 0.16292,
    "h": 276
  },
  "luminance": 0.03709
}

Semantic roles & 50–950 ramp

primary

#2A258C

secondary

#B3B855

accent

#E146DA

background

#F7F5FA

surface

#EDEAF5

border

#C8C6CF

text

#090510

muted

#7B797F

Preview Lab

Preview with #2A258C

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

Preview Lab → · Contrast checker → · Palette generator →