#31297C#31297C

#31297C is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.5% C 0.135 H 281.0°. Best body text is #FFFFFF at 12.08:1 contrast (WCAG AA passes).

Color values

HEX	#31297C
RGB	rgb(49, 41, 124)
HSL	hsl(246, 50%, 32%)
HSV	hsv(246, 67%, 49%)
CMYK	cmyk(60.5%, 66.9%, 0%, 51.4%)
CIE-LAB	lab(22.63, 29.15, -46.08)
CIE-LCH	lch(22.63, 54.53, 302.32°)
OKLab	oklab(34.53% 0.0258 -0.1326)
OKLCH	oklch(34.53% 0.135 281)
XYZ	xyz(5.6965, 3.6937, 19.4776)
Luminance	0.0369 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31297C #747C29

analogous

#294B7C #31297C #5A297C

triadic

#31297C #7C3129 #297C31

tetradic

#31297C #7C294B #747C29 #297C5A

square

#31297C #7C294B #747C29 #297C5A

split-complementary

#31297C #7C5A29 #4B7C29

monochromatic

#0D0B20 #1F1A4E #31297C #4338AA #6358C8

Accessibility & contrast

On white

12.08

#31297C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#31297C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31297C

12.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31297C	#FFFFFF	#000000	##FFFFFF
##31297C	1.00	12.08	1.74	12.08
#FFFFFF	12.08	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00397F

Deuteranopia (green-blind)

#00337A

Tritanopia (blue-blind)

#033E4E

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #31297c;
/* rgb */ color: rgb(49, 41, 124);
/* oklch */ color: oklch(34.5% 0.135 281.0);

Tailwind

colors: {
  custom: {
    50: '#7263a3',
    500: '#31297c',
    950: '#000000',
  },
}

SCSS

$custom: #31297c;
$custom-light: #7263a3;
$custom-dark: #000000;

JSON

{
  "hex": "#31297c",
  "rgb": {
    "r": 49,
    "g": 41,
    "b": 124
  },
  "hsl": {
    "h": 245.783,
    "s": 50.303,
    "l": 32.353
  },
  "oklch": {
    "l": 0.34527,
    "c": 0.13505,
    "h": 281
  },
  "luminance": 0.03694
}

Semantic roles & 50–950 ramp

primary

#31297C

secondary

#A4AD54

accent

#DA4ECC

background

#F7F5FA

surface

#EDEAF4

border

#C8C6CE

text

#08050F

muted

#7B797F

Preview Lab

Preview with #31297C

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

Preview Lab → · Contrast checker → · Palette generator →