#313B92#313B92

#313B92 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.8% C 0.142 H 273.1°. Best body text is #FFFFFF at 9.67:1 contrast (WCAG AA passes).

Color values

HEX	#313B92
RGB	rgb(49, 59, 146)
HSL	hsl(234, 50%, 38%)
HSV	hsv(234, 66%, 57%)
CMYK	cmyk(66.4%, 59.6%, 0%, 42.7%)
CIE-LAB	lab(29.04, 25.12, -49.36)
CIE-LCH	lch(29.04, 55.39, 296.97°)
OKLab	oklab(39.82% 0.0078 -0.1421)
OKLCH	oklch(39.82% 0.142 273.1)
XYZ	xyz(8.0172, 5.8555, 27.8963)
Luminance	0.0586 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313B92 #928831

analogous

#316B92 #313B92 #573192

triadic

#313B92 #92313B #3B9231

tetradic

#313B92 #92316B #928831 #319257

square

#313B92 #92316B #928831 #319257

split-complementary

#313B92 #925731 #6B9231

monochromatic

#121636 #222864 #313B92 #414EBF #6F79CF

Accessibility & contrast

On white

9.67

#313B92 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#313B92 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313B92

9.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313B92	#FFFFFF	#000000	##FFFFFF
##313B92	1.00	9.67	2.17	9.67
#FFFFFF	9.67	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004995

Deuteranopia (green-blind)

#004090

Tritanopia (blue-blind)

#005060

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #313b92;
/* rgb */ color: rgb(49, 59, 146);
/* oklch */ color: oklch(39.8% 0.142 273.1);

Tailwind

colors: {
  custom: {
    50: '#7570b3',
    500: '#313b92',
    950: '#000000',
  },
}

SCSS

$custom: #313b92;
$custom-light: #7570b3;
$custom-dark: #000000;

JSON

{
  "hex": "#313b92",
  "rgb": {
    "r": 49,
    "g": 59,
    "b": 146
  },
  "hsl": {
    "h": 233.814,
    "s": 49.744,
    "l": 38.235
  },
  "oklch": {
    "l": 0.3982,
    "c": 0.14228,
    "h": 273.1
  },
  "luminance": 0.05856
}

Semantic roles & 50–950 ramp

primary

#313B92

secondary

#B6AE69

accent

#CB4FD9

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #313B92

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

Preview Lab → · Contrast checker → · Palette generator →