#31508E#31508E

#31508E is a dark, moderate blue. Relative luminance 0.083; OKLCH L 44.0% C 0.109 H 262.7°. Best body text is #FFFFFF at 7.87:1 contrast (WCAG AA passes).

Color values

HEX	#31508E
RGB	rgb(49, 80, 142)
HSL	hsl(220, 49%, 37%)
HSV	hsv(220, 65%, 56%)
CMYK	cmyk(65.5%, 43.7%, 0%, 44.3%)
CIE-LAB	lab(34.69, 9.56, -37.83)
CIE-LCH	lch(34.69, 39.02, 284.18°)
OKLab	oklab(44.01% -0.0138 -0.1079)
OKLCH	oklch(44.01% 0.109 262.7)
XYZ	xyz(9.0161, 8.3424, 26.7211)
Luminance	0.0834 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31508E #8E6F31

analogous

#317F8E #31508E #41318E

triadic

#31508E #8E3150 #508E31

tetradic

#31508E #8E317F #8E6F31 #318E41

square

#31508E #8E317F #8E6F31 #318E41

split-complementary

#31508E #8E4131 #7F8E31

monochromatic

#121D33 #213661 #31508E #416ABB #6D8DCD

Accessibility & contrast

On white

7.87

#31508E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#31508E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31508E

7.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31508E	#FFFFFF	#000000	##FFFFFF
##31508E	1.00	7.87	2.67	7.87
#FFFFFF	7.87	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#335690

Deuteranopia (green-blind)

#254E8D

Tritanopia (blue-blind)

#005E68

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #31508e;
/* rgb */ color: rgb(49, 80, 142);
/* oklch */ color: oklch(44.0% 0.109 262.7);

Tailwind

colors: {
  custom: {
    50: '#7380af',
    500: '#31508e',
    950: '#000000',
  },
}

SCSS

$custom: #31508e;
$custom-light: #7380af;
$custom-dark: #000000;

JSON

{
  "hex": "#31508e",
  "rgb": {
    "r": 49,
    "g": 80,
    "b": 142
  },
  "hsl": {
    "h": 220,
    "s": 48.691,
    "l": 37.451
  },
  "oklch": {
    "l": 0.44007,
    "c": 0.10873,
    "h": 262.7
  },
  "luminance": 0.08343
}

Semantic roles & 50–950 ramp

primary

#31508E

secondary

#B49A67

accent

#AB50D8

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#090A10

muted

#7B7C7F

Preview Lab

Preview with #31508E

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

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