#313E7D#313E7D

#313E7D is a dark, moderate blue. Relative luminance 0.056; OKLCH L 38.8% C 0.107 H 271.8°. Best body text is #FFFFFF at 9.93:1 contrast (WCAG AA passes).

Color values

HEX	#313E7D
RGB	rgb(49, 62, 125)
HSL	hsl(230, 44%, 34%)
HSV	hsv(230, 61%, 49%)
CMYK	cmyk(60.8%, 50.4%, 0%, 51%)
CIE-LAB	lab(28.32, 15.39, -37.50)
CIE-LCH	lch(28.32, 40.54, 292.32°)
OKLab	oklab(38.78% 0.0033 -0.1071)
OKLCH	oklch(38.78% 0.107 271.8)
XYZ	xyz(6.6897, 5.5784, 20.1223)
Luminance	0.0558 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313E7D #7D7031

analogous

#31647D #313E7D #4A317D

triadic

#313E7D #7D313E #3E7D31

tetradic

#313E7D #7D3164 #7D7031 #317D4A

square

#313E7D #7D3164 #7D7031 #317D4A

split-complementary

#313E7D #7D4A31 #647D31

monochromatic

#0F1225 #202851 #313E7D #4254A9 #6676C3

Accessibility & contrast

On white

9.93

#313E7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#313E7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313E7D

9.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313E7D	#FFFFFF	#000000	##FFFFFF
##313E7D	1.00	9.93	2.12	9.93
#FFFFFF	9.93	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F467F

Deuteranopia (green-blind)

#12407C

Tritanopia (blue-blind)

#004C57

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #313e7d;
/* rgb */ color: rgb(49, 62, 125);
/* oklch */ color: oklch(38.8% 0.107 271.8);

Tailwind

colors: {
  custom: {
    50: '#7073a3',
    500: '#313e7d',
    950: '#000000',
  },
}

SCSS

$custom: #313e7d;
$custom-light: #7073a3;
$custom-dark: #000000;

JSON

{
  "hex": "#313e7d",
  "rgb": {
    "r": 49,
    "g": 62,
    "b": 125
  },
  "hsl": {
    "h": 229.737,
    "s": 43.678,
    "l": 34.118
  },
  "oklch": {
    "l": 0.38785,
    "c": 0.1072,
    "h": 271.8
  },
  "luminance": 0.05579
}

Semantic roles & 50–950 ramp

primary

#313E7D

secondary

#AA9D60

accent

#BE54D3

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#08080F

muted

#7B7B7F

Preview Lab

Preview with #313E7D

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

Preview Lab → · Contrast checker → · Palette generator →