#2D309F#2D309F

#2D309F is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.8% C 0.175 H 273.5°. Best body text is #FFFFFF at 10.32:1 contrast (WCAG AA passes).

Color values

HEX	#2D309F
RGB	rgb(45, 48, 159)
HSL	hsl(238, 56%, 40%)
HSV	hsv(238, 72%, 62%)
CMYK	cmyk(71.7%, 69.8%, 0%, 37.6%)
CIE-LAB	lab(27.23, 36.36, -60.29)
CIE-LCH	lch(27.23, 70.40, 301.09°)
OKLab	oklab(38.77% 0.0107 -0.1743)
OKLCH	oklch(38.77% 0.175 273.5)
XYZ	xyz(8.3951, 5.1742, 33.3505)
Luminance	0.0517 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D309F #9F9C2D

analogous

#2D699F #2D309F #632D9F

triadic

#2D309F #9F2D30 #309F2D

tetradic

#2D309F #9F2D69 #9F9C2D #2D9F63

square

#2D309F #9F2D69 #9F9C2D #2D9F63

split-complementary

#2D309F #9F632D #699F2D

monochromatic

#121340 #20226F #2D309F #4044C9 #7073D6

Accessibility & contrast

On white

10.32

#2D309F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#2D309F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D309F

10.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D309F	#FFFFFF	#000000	##FFFFFF
##2D309F	1.00	10.32	2.04	10.32
#FFFFFF	10.32	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046A2

Deuteranopia (green-blind)

#003B9D

Tritanopia (blue-blind)

#004E63

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2d309f;
/* rgb */ color: rgb(45, 48, 159);
/* oklch */ color: oklch(38.8% 0.175 273.5);

Tailwind

colors: {
  custom: {
    50: '#7769bc',
    500: '#2d309f',
    950: '#000000',
  },
}

SCSS

$custom: #2d309f;
$custom-light: #7769bc;
$custom-dark: #000000;

JSON

{
  "hex": "#2d309f",
  "rgb": {
    "r": 45,
    "g": 48,
    "b": 159
  },
  "hsl": {
    "h": 238.421,
    "s": 55.882,
    "l": 40
  },
  "oklch": {
    "l": 0.38773,
    "c": 0.17461,
    "h": 273.5
  },
  "luminance": 0.05175
}

Semantic roles & 50–950 ramp

primary

#2D309F

secondary

#BEBC6A

accent

#DB49DF

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2D309F

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

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