#2D399D#2D399D

#2D399D is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.2% C 0.161 H 271.7°. Best body text is #FFFFFF at 9.62:1 contrast (WCAG AA passes).

Color values

HEX	#2D399D
RGB	rgb(45, 57, 157)
HSL	hsl(234, 55%, 40%)
HSV	hsv(234, 71%, 62%)
CMYK	cmyk(71.3%, 63.7%, 0%, 38.4%)
CIE-LAB	lab(29.20, 29.88, -55.83)
CIE-LCH	lch(29.20, 63.32, 298.15°)
OKLab	oklab(40.16% 0.0047 -0.1612)
OKLCH	oklch(40.16% 0.161 271.7)
XYZ	xyz(8.6291, 5.9176, 32.5792)
Luminance	0.0592 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D399D #9D912D

analogous

#2D719D #2D399D #592D9D

triadic

#2D399D #9D2D39 #399D2D

tetradic

#2D399D #9D2D71 #9D912D #2D9D59

square

#2D399D #9D2D71 #9D912D #2D9D59

split-complementary

#2D399D #9D592D #719D2D

monochromatic

#12163E #1F286D #2D399D #3F4EC8 #6F7AD6

Accessibility & contrast

On white

9.62

#2D399D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#2D399D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D399D

9.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D399D	#FFFFFF	#000000	##FFFFFF
##2D399D	1.00	9.62	2.18	9.62
#FFFFFF	9.62	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AA0

Deuteranopia (green-blind)

#00409B

Tritanopia (blue-blind)

#005365

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2d399d;
/* rgb */ color: rgb(45, 57, 157);
/* oklch */ color: oklch(40.2% 0.161 271.7);

Tailwind

colors: {
  custom: {
    50: '#766fbb',
    500: '#2d399d',
    950: '#000000',
  },
}

SCSS

$custom: #2d399d;
$custom-light: #766fbb;
$custom-dark: #000000;

JSON

{
  "hex": "#2d399d",
  "rgb": {
    "r": 45,
    "g": 57,
    "b": 157
  },
  "hsl": {
    "h": 233.571,
    "s": 55.446,
    "l": 39.608
  },
  "oklch": {
    "l": 0.40159,
    "c": 0.16126,
    "h": 271.7
  },
  "luminance": 0.05918
}

Semantic roles & 50–950 ramp

primary

#2D399D

secondary

#BDB469

accent

#CF49DF

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2D399D

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

Preview Lab → · Contrast checker → · Palette generator →