#313A67#313A67

#313A67 is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.4% C 0.078 H 273.4°. Best body text is #FFFFFF at 10.87:1 contrast (WCAG AA passes).

Color values

HEX	#313A67
RGB	rgb(49, 58, 103)
HSL	hsl(230, 36%, 30%)
HSV	hsv(230, 52%, 40%)
CMYK	cmyk(52.4%, 43.7%, 0%, 59.6%)
CIE-LAB	lab(25.74, 10.24, -27.65)
CIE-LCH	lch(25.74, 29.49, 290.32°)
OKLab	oklab(36.36% 0.0046 -0.0783)
OKLCH	oklch(36.36% 0.078 273.4)
XYZ	xyz(5.2271, 4.6580, 13.4530)
Luminance	0.0466 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313A67 #675E31

analogous

#315567 #313A67 #433167

triadic

#313A67 #67313A #3A6731

tetradic

#313A67 #673155 #675E31 #316743

square

#313A67 #673155 #675E31 #316743

split-complementary

#313A67 #674331 #556731

monochromatic

#0A0C15 #1D233E #313A67 #455190 #5F6DB3

Accessibility & contrast

On white

10.87

#313A67 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#313A67 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313A67

10.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313A67	#FFFFFF	#000000	##FFFFFF
##313A67	1.00	10.87	1.93	10.87
#FFFFFF	10.87	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#283F69

Deuteranopia (green-blind)

#233B66

Tritanopia (blue-blind)

#1B444B

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #313a67;
/* rgb */ color: rgb(49, 58, 103);
/* oklch */ color: oklch(36.4% 0.078 273.4);

Tailwind

colors: {
  custom: {
    50: '#6d6f92',
    500: '#313a67',
    950: '#000000',
  },
}

SCSS

$custom: #313a67;
$custom-light: #6d6f92;
$custom-dark: #000000;

JSON

{
  "hex": "#313a67",
  "rgb": {
    "r": 49,
    "g": 58,
    "b": 103
  },
  "hsl": {
    "h": 230,
    "s": 35.526,
    "l": 29.804
  },
  "oklch": {
    "l": 0.36359,
    "c": 0.07843,
    "h": 273.4
  },
  "luminance": 0.04658
}

Semantic roles & 50–950 ramp

primary

#313A67

secondary

#988E5C

accent

#B95CCC

background

#F6F6F9

surface

#ECECF1

border

#C7C7CB

text

#07070D

muted

#7A7A7E

Preview Lab

Preview with #313A67

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

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