#313488#313488

#313488 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.6% C 0.137 H 276.0°. Best body text is #FFFFFF at 10.62:1 contrast (WCAG AA passes).

Color values

HEX	#313488
RGB	rgb(49, 52, 136)
HSL	hsl(238, 47%, 36%)
HSV	hsv(238, 64%, 53%)
CMYK	cmyk(64%, 61.8%, 0%, 46.7%)
CIE-LAB	lab(26.41, 26.16, -47.47)
CIE-LCH	lch(26.41, 54.20, 298.86°)
OKLab	oklab(37.61% 0.0144 -0.1366)
OKLCH	oklch(37.61% 0.137 276)
XYZ	xyz(6.9371, 4.8860, 23.8653)
Luminance	0.0489 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313488 #888531

analogous

#316088 #313488 #5A3188

triadic

#313488 #883134 #348831

tetradic

#313488 #883160 #888531 #31885A

square

#313488 #883160 #888531 #31885A

split-complementary

#313488 #885A31 #608831

monochromatic

#11122E #21235B #313488 #4145B5 #6A6DC9

Accessibility & contrast

On white

10.62

#313488 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#313488 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313488

10.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313488	#FFFFFF	#000000	##FFFFFF
##313488	1.00	10.62	1.98	10.62
#FFFFFF	10.62	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00428B

Deuteranopia (green-blind)

#003B86

Tritanopia (blue-blind)

#004958

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #313488;
/* rgb */ color: rgb(49, 52, 136);
/* oklch */ color: oklch(37.6% 0.137 276.0);

Tailwind

colors: {
  custom: {
    50: '#736bab',
    500: '#313488',
    950: '#000000',
  },
}

SCSS

$custom: #313488;
$custom-light: #736bab;
$custom-dark: #000000;

JSON

{
  "hex": "#313488",
  "rgb": {
    "r": 49,
    "g": 52,
    "b": 136
  },
  "hsl": {
    "h": 237.931,
    "s": 47.027,
    "l": 36.275
  },
  "oklch": {
    "l": 0.37612,
    "c": 0.13734,
    "h": 276
  },
  "luminance": 0.04887
}

Semantic roles & 50–950 ramp

primary

#313488

secondary

#B1AE64

accent

#D251D7

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #313488

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

Preview Lab → · Contrast checker → · Palette generator →