#2D399A#2D399A

#2D399A is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.9% C 0.157 H 271.8°. Best body text is #FFFFFF at 9.71:1 contrast (WCAG AA passes).

Color values

HEX	#2D399A
RGB	rgb(45, 57, 154)
HSL	hsl(233, 55%, 39%)
HSV	hsv(233, 71%, 60%)
CMYK	cmyk(70.8%, 63%, 0%, 39.6%)
CIE-LAB	lab(28.94, 28.78, -54.43)
CIE-LCH	lch(28.94, 61.57, 297.87°)
OKLab	oklab(39.89% 0.0048 -0.1571)
OKLCH	oklch(39.89% 0.157 271.8)
XYZ	xyz(8.3761, 5.8164, 31.2468)
Luminance	0.0582 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D399A #9A8E2D

analogous

#2D709A #2D399A #572D9A

triadic

#2D399A #9A2D39 #399A2D

tetradic

#2D399A #9A2D70 #9A8E2D #2D9A57

square

#2D399A #9A2D70 #9A8E2D #2D9A57

split-complementary

#2D399A #9A572D #709A2D

monochromatic

#11163B #1F276B #2D399A #3E4DC7 #6D78D4

Accessibility & contrast

On white

9.71

#2D399A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#2D399A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D399A

9.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D399A	#FFFFFF	#000000	##FFFFFF
##2D399A	1.00	9.71	2.16	9.71
#FFFFFF	9.71	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00499D

Deuteranopia (green-blind)

#003F98

Tritanopia (blue-blind)

#005264

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2d399a;
/* rgb */ color: rgb(45, 57, 154);
/* oklch */ color: oklch(39.9% 0.157 271.8);

Tailwind

colors: {
  custom: {
    50: '#756fb9',
    500: '#2d399a',
    950: '#000000',
  },
}

SCSS

$custom: #2d399a;
$custom-light: #756fb9;
$custom-dark: #000000;

JSON

{
  "hex": "#2d399a",
  "rgb": {
    "r": 45,
    "g": 57,
    "b": 154
  },
  "hsl": {
    "h": 233.394,
    "s": 54.774,
    "l": 39.02
  },
  "oklch": {
    "l": 0.39888,
    "c": 0.15715,
    "h": 271.8
  },
  "luminance": 0.05817
}

Semantic roles & 50–950 ramp

primary

#2D399A

secondary

#BBB267

accent

#CE4ADE

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #2D399A

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

Preview Lab → · Contrast checker → · Palette generator →