#2A317D#2A317D

#2A317D is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.6% C 0.127 H 274.0°. Best body text is #FFFFFF at 11.45:1 contrast (WCAG AA passes).

Color values

HEX	#2A317D
RGB	rgb(42, 49, 125)
HSL	hsl(235, 50%, 33%)
HSV	hsv(235, 66%, 49%)
CMYK	cmyk(66.4%, 60.8%, 0%, 51%)
CIE-LAB	lab(24.22, 22.95, -44.15)
CIE-LCH	lch(24.22, 49.76, 297.47°)
OKLab	oklab(35.58% 0.0088 -0.127)
OKLCH	oklch(35.58% 0.127 274)
XYZ	xyz(5.7536, 4.1690, 19.8996)
Luminance	0.0417 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A317D #7D762A

analogous

#2A5A7D #2A317D #4D2A7D

triadic

#2A317D #7D2A31 #317D2A

tetradic

#2A317D #7D2A5A #7D762A #2A7D4D

square

#2A317D #7D2A5A #7D762A #2A7D4D

split-complementary

#2A317D #7D4D2A #5A7D2A

monochromatic

#0B0D21 #1B1F4F #2A317D #3943AB #5A63C8

Accessibility & contrast

On white

11.45

#2A317D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#2A317D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A317D

11.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A317D	#FFFFFF	#000000	##FFFFFF
##2A317D	1.00	11.45	1.83	11.45
#FFFFFF	11.45	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D80

Deuteranopia (green-blind)

#00367B

Tritanopia (blue-blind)

#004452

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #2a317d;
/* rgb */ color: rgb(42, 49, 125);
/* oklch */ color: oklch(35.6% 0.127 274.0);

Tailwind

colors: {
  custom: {
    50: '#6e69a3',
    500: '#2a317d',
    950: '#000000',
  },
}

SCSS

$custom: #2a317d;
$custom-light: #6e69a3;
$custom-dark: #000000;

JSON

{
  "hex": "#2a317d",
  "rgb": {
    "r": 42,
    "g": 49,
    "b": 125
  },
  "hsl": {
    "h": 234.94,
    "s": 49.701,
    "l": 32.745
  },
  "oklch": {
    "l": 0.35583,
    "c": 0.12735,
    "h": 274
  },
  "luminance": 0.0417
}

Semantic roles & 50–950 ramp

primary

#2A317D

secondary

#ADA656

accent

#CE4FD9

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #2A317D

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

Preview Lab → · Contrast checker → · Palette generator →