#313D96#313D96

#313D96 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.5% C 0.145 H 272.4°. Best body text is #FFFFFF at 9.38:1 contrast (WCAG AA passes).

Color values

HEX	#313D96
RGB	rgb(49, 61, 150)
HSL	hsl(233, 51%, 39%)
HSV	hsv(233, 67%, 59%)
CMYK	cmyk(67.3%, 59.3%, 0%, 41.2%)
CIE-LAB	lab(29.89, 25.25, -50.44)
CIE-LCH	lch(29.89, 56.40, 296.59°)
OKLab	oklab(40.55% 0.006 -0.1452)
OKLCH	oklch(40.55% 0.145 272.4)
XYZ	xyz(8.4385, 6.1917, 29.5987)
Luminance	0.0619 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313D96 #968A31

analogous

#317096 #313D96 #583196

triadic

#313D96 #96313D #3D9631

tetradic

#313D96 #963170 #968A31 #319658

square

#313D96 #963170 #968A31 #319658

split-complementary

#313D96 #965831 #709631

monochromatic

#13173A #222A68 #313D96 #4352C1 #717CD1

Accessibility & contrast

On white

9.38

#313D96 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#313D96 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313D96

9.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313D96	#FFFFFF	#000000	##FFFFFF
##313D96	1.00	9.38	2.24	9.38
#FFFFFF	9.38	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B99

Deuteranopia (green-blind)

#004294

Tritanopia (blue-blind)

#005363

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #313d96;
/* rgb */ color: rgb(49, 61, 150);
/* oklch */ color: oklch(40.5% 0.145 272.4);

Tailwind

colors: {
  custom: {
    50: '#7672b6',
    500: '#313d96',
    950: '#000000',
  },
}

SCSS

$custom: #313d96;
$custom-light: #7672b6;
$custom-dark: #000000;

JSON

{
  "hex": "#313d96",
  "rgb": {
    "r": 49,
    "g": 61,
    "b": 150
  },
  "hsl": {
    "h": 232.871,
    "s": 50.754,
    "l": 39.02
  },
  "oklch": {
    "l": 0.40549,
    "c": 0.14533,
    "h": 272.4
  },
  "luminance": 0.06192
}

Semantic roles & 50–950 ramp

primary

#313D96

secondary

#B8AF6A

accent

#CA4EDA

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #313D96

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

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