#2D317A#2D317A

#2D317A is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.5% C 0.122 H 275.9°. Best body text is #FFFFFF at 11.46:1 contrast (WCAG AA passes).

Color values

HEX	#2D317A
RGB	rgb(45, 49, 122)
HSL	hsl(237, 46%, 33%)
HSV	hsv(237, 63%, 48%)
CMYK	cmyk(63.1%, 59.8%, 0%, 52.2%)
CIE-LAB	lab(24.19, 22.39, -42.29)
CIE-LCH	lch(24.19, 47.85, 297.89°)
OKLab	oklab(35.54% 0.0125 -0.1215)
OKLCH	oklch(35.54% 0.122 275.9)
XYZ	xyz(5.6922, 4.1592, 18.9114)
Luminance	0.0416 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D317A #7A762D

analogous

#2D577A #2D317A #4F2D7A

triadic

#2D317A #7A2D31 #317A2D

tetradic

#2D317A #7A2D57 #7A762D #2D7A4F

square

#2D317A #7A2D57 #7A762D #2D7A4F

split-complementary

#2D317A #7A4F2D #577A2D

monochromatic

#0C0D21 #1D1F4D #2D317A #3D43A7 #5E63C4

Accessibility & contrast

On white

11.46

#2D317A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#2D317A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D317A

11.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D317A	#FFFFFF	#000000	##FFFFFF
##2D317A	1.00	11.46	1.83	11.46
#FFFFFF	11.46	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D7C

Deuteranopia (green-blind)

#003679

Tritanopia (blue-blind)

#004250

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #2d317a;
/* rgb */ color: rgb(45, 49, 122);
/* oklch */ color: oklch(35.5% 0.122 275.9);

Tailwind

colors: {
  custom: {
    50: '#6f69a1',
    500: '#2d317a',
    950: '#000000',
  },
}

SCSS

$custom: #2d317a;
$custom-light: #6f69a1;
$custom-dark: #000000;

JSON

{
  "hex": "#2d317a",
  "rgb": {
    "r": 45,
    "g": 49,
    "b": 122
  },
  "hsl": {
    "h": 236.883,
    "s": 46.108,
    "l": 32.745
  },
  "oklch": {
    "l": 0.35539,
    "c": 0.12214,
    "h": 275.9
  },
  "luminance": 0.0416
}

Semantic roles & 50–950 ramp

primary

#2D317A

secondary

#AAA659

accent

#CF52D6

background

#F7F6FA

surface

#EDEBF3

border

#C8C6CD

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #2D317A

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

Preview Lab → · Contrast checker → · Palette generator →