#312987#312987

#312987 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.6% C 0.150 H 279.3°. Best body text is #FFFFFF at 11.68:1 contrast (WCAG AA passes).

Color values

HEX	#312987
RGB	rgb(49, 41, 135)
HSL	hsl(245, 53%, 35%)
HSV	hsv(245, 70%, 53%)
CMYK	cmyk(63.7%, 69.6%, 0%, 47.1%)
CIE-LAB	lab(23.63, 32.93, -51.38)
CIE-LCH	lch(23.63, 61.02, 302.65°)
OKLab	oklab(35.56% 0.0244 -0.1481)
OKLCH	oklch(35.56% 0.15 279.3)
XYZ	xyz(6.4313, 3.9876, 23.3478)
Luminance	0.0399 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312987 #7F8729

analogous

#295087 #312987 #602987

triadic

#312987 #873129 #298731

tetradic

#312987 #872950 #7F8729 #298760

square

#312987 #872950 #7F8729 #298760

split-complementary

#312987 #876029 #508729

monochromatic

#0F0C29 #201B58 #312987 #4237B6 #665DCE

Accessibility & contrast

On white

11.68

#312987 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#312987 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312987

11.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312987	#FFFFFF	#000000	##FFFFFF
##312987	1.00	11.68	1.80	11.68
#FFFFFF	11.68	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C8A

Deuteranopia (green-blind)

#003585

Tritanopia (blue-blind)

#004254

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #312987;
/* rgb */ color: rgb(49, 41, 135);
/* oklch */ color: oklch(35.6% 0.150 279.3);

Tailwind

colors: {
  custom: {
    50: '#7464ab',
    500: '#312987',
    950: '#000000',
  },
}

SCSS

$custom: #312987;
$custom-light: #7464ab;
$custom-dark: #000000;

JSON

{
  "hex": "#312987",
  "rgb": {
    "r": 49,
    "g": 41,
    "b": 135
  },
  "hsl": {
    "h": 245.106,
    "s": 53.409,
    "l": 34.51
  },
  "oklch": {
    "l": 0.35558,
    "c": 0.15009,
    "h": 279.3
  },
  "luminance": 0.03988
}

Semantic roles & 50–950 ramp

primary

#312987

secondary

#ABB359

accent

#DD4BD0

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090510

muted

#7B7A7F

Preview Lab

Preview with #312987

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

Preview Lab → · Contrast checker → · Palette generator →