#313A98#313A98

#313A98 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.1% C 0.152 H 273.2°. Best body text is #FFFFFF at 9.59:1 contrast (WCAG AA passes).

Color values

HEX	#313A98
RGB	rgb(49, 58, 152)
HSL	hsl(235, 51%, 39%)
HSV	hsv(235, 68%, 60%)
CMYK	cmyk(67.8%, 61.8%, 0%, 40.4%)
CIE-LAB	lab(29.27, 27.97, -52.66)
CIE-LCH	lch(29.27, 59.63, 297.97°)
OKLab	oklab(40.14% 0.0086 -0.1518)
OKLCH	oklch(40.14% 0.152 273.2)
XYZ	xyz(8.4453, 5.9453, 30.4022)
Luminance	0.0595 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313A98 #988F31

analogous

#316E98 #313A98 #5C3198

triadic

#313A98 #98313A #3A9831

tetradic

#313A98 #98316E #988F31 #31985C

square

#313A98 #98316E #988F31 #31985C

split-complementary

#313A98 #985C31 #6E9831

monochromatic

#13173B #22286A #313A98 #444FC3 #727AD2

Accessibility & contrast

On white

9.59

#313A98 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#313A98 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313A98

9.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313A98	#FFFFFF	#000000	##FFFFFF
##313A98	1.00	9.59	2.19	9.59
#FFFFFF	9.59	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A9B

Deuteranopia (green-blind)

#004096

Tritanopia (blue-blind)

#005163

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #313a98;
/* rgb */ color: rgb(49, 58, 152);
/* oklch */ color: oklch(40.1% 0.152 273.2);

Tailwind

colors: {
  custom: {
    50: '#7670b7',
    500: '#313a98',
    950: '#000000',
  },
}

SCSS

$custom: #313a98;
$custom-light: #7670b7;
$custom-dark: #000000;

JSON

{
  "hex": "#313a98",
  "rgb": {
    "r": 49,
    "g": 58,
    "b": 152
  },
  "hsl": {
    "h": 234.757,
    "s": 51.244,
    "l": 39.412
  },
  "oklch": {
    "l": 0.40143,
    "c": 0.15202,
    "h": 273.2
  },
  "luminance": 0.05946
}

Semantic roles & 50–950 ramp

primary

#313A98

secondary

#B9B36B

accent

#CE4DDB

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#0A0711

muted

#7C7A80

Preview Lab

Preview with #313A98

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

Preview Lab → · Contrast checker → · Palette generator →