#31499A#31499A

#31499A is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.3% C 0.135 H 267.9°. Best body text is #FFFFFF at 8.23:1 contrast (WCAG AA passes).

Color values

HEX	#31499A
RGB	rgb(49, 73, 154)
HSL	hsl(226, 52%, 40%)
HSV	hsv(226, 68%, 60%)
CMYK	cmyk(68.2%, 52.6%, 0%, 39.6%)
CIE-LAB	lab(33.46, 18.70, -47.09)
CIE-LCH	lch(33.46, 50.67, 291.66°)
OKLab	oklab(43.32% -0.0049 -0.1352)
OKLCH	oklch(43.32% 0.135 267.9)
XYZ	xyz(9.4799, 7.7502, 31.5619)
Luminance	0.0775 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31499A #9A8231

analogous

#317D9A #31499A #4E319A

triadic

#31499A #9A3149 #499A31

tetradic

#31499A #9A317D #9A8231 #319A4E

square

#31499A #9A317D #9A8231 #319A4E

split-complementary

#31499A #9A4E31 #7D9A31

monochromatic

#131D3D #22336C #31499A #4562C4 #7389D2

Accessibility & contrast

On white

8.23

#31499A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#31499A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31499A

8.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31499A	#FFFFFF	#000000	##FFFFFF
##31499A	1.00	8.23	2.55	8.23
#FFFFFF	8.23	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#17549D

Deuteranopia (green-blind)

#004A98

Tritanopia (blue-blind)

#005C6A

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #31499a;
/* rgb */ color: rgb(49, 73, 154);
/* oklch */ color: oklch(43.3% 0.135 267.9);

Tailwind

colors: {
  custom: {
    50: '#767bb8',
    500: '#31499a',
    950: '#000000',
  },
}

SCSS

$custom: #31499a;
$custom-light: #767bb8;
$custom-dark: #000000;

JSON

{
  "hex": "#31499a",
  "rgb": {
    "r": 49,
    "g": 73,
    "b": 154
  },
  "hsl": {
    "h": 226.286,
    "s": 51.724,
    "l": 39.804
  },
  "oklch": {
    "l": 0.43322,
    "c": 0.1353,
    "h": 267.9
  },
  "luminance": 0.07751
}

Semantic roles & 50–950 ramp

primary

#31499A

secondary

#BAA96C

accent

#BB4DDB

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#090911

muted

#7B7B80

Preview Lab

Preview with #31499A

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

Preview Lab → · Contrast checker → · Palette generator →