#313487#313487

#313487 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.5% C 0.136 H 276.1°. Best body text is #FFFFFF at 10.65:1 contrast (WCAG AA passes).

Color values

HEX	#313487
RGB	rgb(49, 52, 135)
HSL	hsl(238, 47%, 36%)
HSV	hsv(238, 64%, 53%)
CMYK	cmyk(63.7%, 61.5%, 0%, 47.1%)
CIE-LAB	lab(26.33, 25.80, -46.98)
CIE-LCH	lch(26.33, 53.60, 298.78°)
OKLab	oklab(37.53% 0.0144 -0.1351)
OKLCH	oklch(37.53% 0.136 276.1)
XYZ	xyz(6.8664, 4.8577, 23.4928)
Luminance	0.0486 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313487 #878431

analogous

#315F87 #313487 #593187

triadic

#313487 #873134 #348731

tetradic

#313487 #87315F #878431 #318759

square

#313487 #87315F #878431 #318759

split-complementary

#313487 #875931 #5F8731

monochromatic

#10112D #21235A #313487 #4145B4 #6A6DC9

Accessibility & contrast

On white

10.65

#313487 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#313487 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313487

10.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313487	#FFFFFF	#000000	##FFFFFF
##313487	1.00	10.65	1.97	10.65
#FFFFFF	10.65	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00428A

Deuteranopia (green-blind)

#003B85

Tritanopia (blue-blind)

#004858

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #313487;
/* rgb */ color: rgb(49, 52, 135);
/* oklch */ color: oklch(37.5% 0.136 276.1);

Tailwind

colors: {
  custom: {
    50: '#736bab',
    500: '#313487',
    950: '#000000',
  },
}

SCSS

$custom: #313487;
$custom-light: #736bab;
$custom-dark: #000000;

JSON

{
  "hex": "#313487",
  "rgb": {
    "r": 49,
    "g": 52,
    "b": 135
  },
  "hsl": {
    "h": 237.907,
    "s": 46.739,
    "l": 36.078
  },
  "oklch": {
    "l": 0.37526,
    "c": 0.13591,
    "h": 276.1
  },
  "luminance": 0.04858
}

Semantic roles & 50–950 ramp

primary

#313487

secondary

#B0AE64

accent

#D251D6

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #313487

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

Preview Lab → · Contrast checker → · Palette generator →