#313E82#313E82

#313E82 is a dark, moderate blue. Relative luminance 0.057; OKLCH L 39.2% C 0.115 H 271.9°. Best body text is #FFFFFF at 9.80:1 contrast (WCAG AA passes).

Color values

HEX	#313E82
RGB	rgb(49, 62, 130)
HSL	hsl(230, 45%, 35%)
HSV	hsv(230, 62%, 51%)
CMYK	cmyk(62.3%, 52.3%, 0%, 49%)
CIE-LAB	lab(28.67, 17.22, -40.07)
CIE-LCH	lch(28.67, 43.62, 293.26°)
OKLab	oklab(39.16% 0.0039 -0.1147)
OKLCH	oklch(39.16% 0.115 271.9)
XYZ	xyz(7.0172, 5.7094, 21.8470)
Luminance	0.0571 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313E82 #827531

analogous

#316782 #313E82 #4C3182

triadic

#313E82 #82313E #3E8231

tetradic

#313E82 #823167 #827531 #31824C

square

#313E82 #823167 #827531 #31824C

split-complementary

#313E82 #824C31 #678231

monochromatic

#0F1429 #202956 #313E82 #4253AE #6877C6

Accessibility & contrast

On white

9.80

#313E82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#313E82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313E82

9.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313E82	#FFFFFF	#000000	##FFFFFF
##313E82	1.00	9.80	2.14	9.80
#FFFFFF	9.80	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#194784

Deuteranopia (green-blind)

#064081

Tritanopia (blue-blind)

#004E5A

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #313e82;
/* rgb */ color: rgb(49, 62, 130);
/* oklch */ color: oklch(39.2% 0.115 271.9);

Tailwind

colors: {
  custom: {
    50: '#7173a7',
    500: '#313e82',
    950: '#000000',
  },
}

SCSS

$custom: #313e82;
$custom-light: #7173a7;
$custom-dark: #000000;

JSON

{
  "hex": "#313e82",
  "rgb": {
    "r": 49,
    "g": 62,
    "b": 130
  },
  "hsl": {
    "h": 230.37,
    "s": 45.251,
    "l": 35.098
  },
  "oklch": {
    "l": 0.39157,
    "c": 0.11478,
    "h": 271.9
  },
  "luminance": 0.0571
}

Semantic roles & 50–950 ramp

primary

#313E82

secondary

#ADA162

accent

#C053D5

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#08080F

muted

#7B7B7F

Preview Lab

Preview with #313E82

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

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