#2D309C#2D309C

#2D309C is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.5% C 0.171 H 273.7°. Best body text is #FFFFFF at 10.42:1 contrast (WCAG AA passes).

Color values

HEX	#2D309C
RGB	rgb(45, 48, 156)
HSL	hsl(238, 55%, 39%)
HSV	hsv(238, 71%, 61%)
CMYK	cmyk(71.2%, 69.2%, 0%, 38.8%)
CIE-LAB	lab(26.94, 35.30, -58.94)
CIE-LCH	lch(26.94, 68.70, 300.92°)
OKLab	oklab(38.48% 0.0111 -0.1703)
OKLCH	oklch(38.48% 0.171 273.7)
XYZ	xyz(8.1379, 5.0713, 31.9960)
Luminance	0.0507 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D309C #9C992D

analogous

#2D689C #2D309C #612D9C

triadic

#2D309C #9C2D30 #309C2D

tetradic

#2D309C #9C2D68 #9C992D #2D9C61

square

#2D309C #9C2D68 #9C992D #2D9C61

split-complementary

#2D309C #9C612D #689C2D

monochromatic

#12133D #1F216D #2D309C #3F42C8 #6E71D5

Accessibility & contrast

On white

10.42

#2D309C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#2D309C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D309C

10.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D309C	#FFFFFF	#000000	##FFFFFF
##2D309C	1.00	10.42	2.01	10.42
#FFFFFF	10.42	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00459F

Deuteranopia (green-blind)

#003A9A

Tritanopia (blue-blind)

#004D62

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2d309c;
/* rgb */ color: rgb(45, 48, 156);
/* oklch */ color: oklch(38.5% 0.171 273.7);

Tailwind

colors: {
  custom: {
    50: '#7669ba',
    500: '#2d309c',
    950: '#000000',
  },
}

SCSS

$custom: #2d309c;
$custom-light: #7669ba;
$custom-dark: #000000;

JSON

{
  "hex": "#2d309c",
  "rgb": {
    "r": 45,
    "g": 48,
    "b": 156
  },
  "hsl": {
    "h": 238.378,
    "s": 55.224,
    "l": 39.412
  },
  "oklch": {
    "l": 0.38477,
    "c": 0.17069,
    "h": 273.7
  },
  "luminance": 0.05072
}

Semantic roles & 50–950 ramp

primary

#2D309C

secondary

#BCBA68

accent

#DB49DF

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2D309C

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

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