#313D60#313D60

#313D60 is a dark, moderate blue. Relative luminance 0.048; OKLCH L 36.6% C 0.063 H 268.8°. Best body text is #FFFFFF at 10.68:1 contrast (WCAG AA passes).

Color values

HEX	#313D60
RGB	rgb(49, 61, 96)
HSL	hsl(225, 32%, 28%)
HSV	hsv(225, 49%, 38%)
CMYK	cmyk(49%, 36.5%, 0%, 62.4%)
CIE-LAB	lab(26.26, 5.77, -22.31)
CIE-LCH	lch(26.26, 23.04, 284.50°)
OKLab	oklab(36.63% -0.0013 -0.0627)
OKLCH	oklch(36.63% 0.063 268.8)
XYZ	xyz(5.0460, 4.8347, 11.7314)
Luminance	0.0483 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313D60 #605431

analogous

#315460 #313D60 #3C3160

triadic

#313D60 #60313D #3D6031

tetradic

#313D60 #603154 #605431 #31603C

square

#313D60 #603154 #605431 #31603C

split-complementary

#313D60 #603C31 #546031

monochromatic

#0A0D14 #1C2337 #313D60 #465789 #5E72AD

Accessibility & contrast

On white

10.68

#313D60 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#313D60 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313D60

10.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313D60	#FFFFFF	#000000	##FFFFFF
##313D60	1.00	10.68	1.97	10.68
#FFFFFF	10.68	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#304061

Deuteranopia (green-blind)

#2C3C5F

Tritanopia (blue-blind)

#1F444A

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #313d60;
/* rgb */ color: rgb(49, 61, 96);
/* oklch */ color: oklch(36.6% 0.063 268.8);

Tailwind

colors: {
  custom: {
    50: '#6c728d',
    500: '#313d60',
    950: '#000000',
  },
}

SCSS

$custom: #313d60;
$custom-light: #6c728d;
$custom-dark: #000000;

JSON

{
  "hex": "#313d60",
  "rgb": {
    "r": 49,
    "g": 61,
    "b": 96
  },
  "hsl": {
    "h": 224.681,
    "s": 32.414,
    "l": 28.431
  },
  "oklch": {
    "l": 0.3663,
    "c": 0.0627,
    "h": 268.8
  },
  "luminance": 0.04835
}

Semantic roles & 50–950 ramp

primary

#313D60

secondary

#91845C

accent

#AE5FC9

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#07070C

muted

#7A7A7D

Preview Lab

Preview with #313D60

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

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