#2D309A#2D309A

#2D309A is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.3% C 0.168 H 273.9°. Best body text is #FFFFFF at 10.49:1 contrast (WCAG AA passes).

Color values

HEX	#2D309A
RGB	rgb(45, 48, 154)
HSL	hsl(238, 55%, 39%)
HSV	hsv(238, 71%, 60%)
CMYK	cmyk(70.8%, 68.8%, 0%, 39.6%)
CIE-LAB	lab(26.75, 34.60, -58.03)
CIE-LCH	lch(26.75, 67.56, 300.80°)
OKLab	oklab(38.28% 0.0114 -0.1677)
OKLCH	oklch(38.28% 0.168 273.9)
XYZ	xyz(7.9699, 5.0041, 31.1115)
Luminance	0.0500 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D309A #9A972D

analogous

#2D679A #2D309A #612D9A

triadic

#2D309A #9A2D30 #309A2D

tetradic

#2D309A #9A2D67 #9A972D #2D9A61

square

#2D309A #9A2D67 #9A972D #2D9A61

split-complementary

#2D309A #9A612D #679A2D

monochromatic

#11123B #1F216B #2D309A #3E41C7 #6D70D4

Accessibility & contrast

On white

10.49

#2D309A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#2D309A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D309A

10.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D309A	#FFFFFF	#000000	##FFFFFF
##2D309A	1.00	10.49	2.00	10.49
#FFFFFF	10.49	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00449D

Deuteranopia (green-blind)

#003A98

Tritanopia (blue-blind)

#004C61

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2d309a;
/* rgb */ color: rgb(45, 48, 154);
/* oklch */ color: oklch(38.3% 0.168 273.9);

Tailwind

colors: {
  custom: {
    50: '#7669b9',
    500: '#2d309a',
    950: '#000000',
  },
}

SCSS

$custom: #2d309a;
$custom-light: #7669b9;
$custom-dark: #000000;

JSON

{
  "hex": "#2d309a",
  "rgb": {
    "r": 45,
    "g": 48,
    "b": 154
  },
  "hsl": {
    "h": 238.349,
    "s": 54.774,
    "l": 39.02
  },
  "oklch": {
    "l": 0.38281,
    "c": 0.16806,
    "h": 273.9
  },
  "luminance": 0.05005
}

Semantic roles & 50–950 ramp

primary

#2D309A

secondary

#BBB967

accent

#DA4ADE

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2D309A

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

Preview Lab → · Contrast checker → · Palette generator →