#313A96#313A96

#313A96 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.0% C 0.149 H 273.3°. Best body text is #FFFFFF at 9.65:1 contrast (WCAG AA passes).

Color values

HEX	#313A96
RGB	rgb(49, 58, 150)
HSL	hsl(235, 51%, 39%)
HSV	hsv(235, 67%, 59%)
CMYK	cmyk(67.3%, 61.3%, 0%, 41.2%)
CIE-LAB	lab(29.11, 27.24, -51.71)
CIE-LCH	lch(29.11, 58.45, 297.78°)
OKLab	oklab(39.97% 0.0086 -0.149)
OKLCH	oklch(39.97% 0.149 273.3)
XYZ	xyz(8.2829, 5.8803, 29.5468)
Luminance	0.0588 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313A96 #968D31

analogous

#316D96 #313A96 #5B3196

triadic

#313A96 #96313A #3A9631

tetradic

#313A96 #96316D #968D31 #31965B

square

#313A96 #96316D #968D31 #31965B

split-complementary

#313A96 #965B31 #6D9631

monochromatic

#13163A #222868 #313A96 #434EC1 #7179D1

Accessibility & contrast

On white

9.65

#313A96 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#313A96 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313A96

9.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313A96	#FFFFFF	#000000	##FFFFFF
##313A96	1.00	9.65	2.18	9.65
#FFFFFF	9.65	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004999

Deuteranopia (green-blind)

#004094

Tritanopia (blue-blind)

#005162

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #313a96;
/* rgb */ color: rgb(49, 58, 150);
/* oklch */ color: oklch(40.0% 0.149 273.3);

Tailwind

colors: {
  custom: {
    50: '#7670b6',
    500: '#313a96',
    950: '#000000',
  },
}

SCSS

$custom: #313a96;
$custom-light: #7670b6;
$custom-dark: #000000;

JSON

{
  "hex": "#313a96",
  "rgb": {
    "r": 49,
    "g": 58,
    "b": 150
  },
  "hsl": {
    "h": 234.653,
    "s": 50.754,
    "l": 39.02
  },
  "oklch": {
    "l": 0.39969,
    "c": 0.14923,
    "h": 273.3
  },
  "luminance": 0.05881
}

Semantic roles & 50–950 ramp

primary

#313A96

secondary

#B8B16A

accent

#CE4EDA

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #313A96

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

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