#2A317C#2A317C

#2A317C is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.5% C 0.126 H 274.0°. Best body text is #FFFFFF at 11.48:1 contrast (WCAG AA passes).

Color values

HEX	#2A317C
RGB	rgb(42, 49, 124)
HSL	hsl(235, 49%, 33%)
HSV	hsv(235, 66%, 49%)
CMYK	cmyk(66.1%, 60.5%, 0%, 51.4%)
CIE-LAB	lab(24.14, 22.58, -43.65)
CIE-LCH	lch(24.14, 49.14, 297.35°)
OKLab	oklab(35.5% 0.0088 -0.1256)
OKLCH	oklch(35.5% 0.126 274)
XYZ	xyz(5.6900, 4.1436, 19.5648)
Luminance	0.0414 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A317C #7C752A

analogous

#2A5A7C #2A317C #4C2A7C

triadic

#2A317C #7C2A31 #317C2A

tetradic

#2A317C #7C2A5A #7C752A #2A7C4C

square

#2A317C #7C2A5A #7C752A #2A7C4C

split-complementary

#2A317C #7C4C2A #5A7C2A

monochromatic

#0B0D21 #1B1F4E #2A317C #3943AA #5963C7

Accessibility & contrast

On white

11.48

#2A317C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#2A317C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A317C

11.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A317C	#FFFFFF	#000000	##FFFFFF
##2A317C	1.00	11.48	1.83	11.48
#FFFFFF	11.48	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D7F

Deuteranopia (green-blind)

#00367A

Tritanopia (blue-blind)

#004351

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #2a317c;
/* rgb */ color: rgb(42, 49, 124);
/* oklch */ color: oklch(35.5% 0.126 274.0);

Tailwind

colors: {
  custom: {
    50: '#6e69a3',
    500: '#2a317c',
    950: '#000000',
  },
}

SCSS

$custom: #2a317c;
$custom-light: #6e69a3;
$custom-dark: #000000;

JSON

{
  "hex": "#2a317c",
  "rgb": {
    "r": 42,
    "g": 49,
    "b": 124
  },
  "hsl": {
    "h": 234.878,
    "s": 49.398,
    "l": 32.549
  },
  "oklch": {
    "l": 0.35497,
    "c": 0.12589,
    "h": 274
  },
  "luminance": 0.04144
}

Semantic roles & 50–950 ramp

primary

#2A317C

secondary

#ADA555

accent

#CD4FD9

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#08060F

muted

#7A7A7F

Preview Lab

Preview with #2A317C

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

Preview Lab → · Contrast checker → · Palette generator →