#2D309D#2D309D

#2D309D is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.6% C 0.172 H 273.7°. Best body text is #FFFFFF at 10.39:1 contrast (WCAG AA passes).

Color values

HEX	#2D309D
RGB	rgb(45, 48, 157)
HSL	hsl(238, 55%, 40%)
HSV	hsv(238, 71%, 62%)
CMYK	cmyk(71.3%, 69.4%, 0%, 38.4%)
CIE-LAB	lab(27.03, 35.65, -59.39)
CIE-LCH	lch(27.03, 69.27, 300.98°)
OKLab	oklab(38.58% 0.011 -0.1716)
OKLCH	oklch(38.58% 0.172 273.7)
XYZ	xyz(8.2229, 5.1053, 32.4438)
Luminance	0.0511 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D309D #9D9A2D

analogous

#2D689D #2D309D #622D9D

triadic

#2D309D #9D2D30 #309D2D

tetradic

#2D309D #9D2D68 #9D9A2D #2D9D62

square

#2D309D #9D2D68 #9D9A2D #2D9D62

split-complementary

#2D309D #9D622D #689D2D

monochromatic

#12133E #1F216D #2D309D #3F43C8 #6F72D6

Accessibility & contrast

On white

10.39

#2D309D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#2D309D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D309D

10.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D309D	#FFFFFF	#000000	##FFFFFF
##2D309D	1.00	10.39	2.02	10.39
#FFFFFF	10.39	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045A0

Deuteranopia (green-blind)

#003B9B

Tritanopia (blue-blind)

#004E62

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2d309d;
/* rgb */ color: rgb(45, 48, 157);
/* oklch */ color: oklch(38.6% 0.172 273.7);

Tailwind

colors: {
  custom: {
    50: '#7669bb',
    500: '#2d309d',
    950: '#000000',
  },
}

SCSS

$custom: #2d309d;
$custom-light: #7669bb;
$custom-dark: #000000;

JSON

{
  "hex": "#2d309d",
  "rgb": {
    "r": 45,
    "g": 48,
    "b": 157
  },
  "hsl": {
    "h": 238.393,
    "s": 55.446,
    "l": 39.608
  },
  "oklch": {
    "l": 0.38576,
    "c": 0.172,
    "h": 273.7
  },
  "luminance": 0.05106
}

Semantic roles & 50–950 ramp

primary

#2D309D

secondary

#BDBB69

accent

#DB49DF

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2D309D

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

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