#2D3B8A#2D3B8A

#2D3B8A is a dark, vivid blue. Relative luminance 0.055; OKLCH L 38.9% C 0.132 H 271.3°. Best body text is #FFFFFF at 9.98:1 contrast (WCAG AA passes).

Color values

HEX	#2D3B8A
RGB	rgb(45, 59, 138)
HSL	hsl(231, 51%, 36%)
HSV	hsv(231, 67%, 54%)
CMYK	cmyk(67.4%, 57.2%, 0%, 45.9%)
CIE-LAB	lab(28.17, 21.50, -45.86)
CIE-LCH	lch(28.17, 50.65, 295.11°)
OKLab	oklab(38.9% 0.0031 -0.1319)
OKLCH	oklch(38.9% 0.132 271.3)
XYZ	xyz(7.2321, 5.5201, 24.7242)
Luminance	0.0552 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D3B8A #8A7C2D

analogous

#2D698A #2D3B8A #4D2D8A

triadic

#2D3B8A #8A2D3B #3B8A2D

tetradic

#2D3B8A #8A2D69 #8A7C2D #2D8A4D

square

#2D3B8A #8A2D69 #8A7C2D #2D8A4D

split-complementary

#2D3B8A #8A4D2D #698A2D

monochromatic

#0F142E #1E275C #2D3B8A #3C4FB8 #6574CD

Accessibility & contrast

On white

9.98

#2D3B8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#2D3B8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D3B8A

9.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D3B8A	#FFFFFF	#000000	##FFFFFF
##2D3B8A	1.00	9.98	2.10	9.98
#FFFFFF	9.98	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	9.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00478D

Deuteranopia (green-blind)

#003E88

Tritanopia (blue-blind)

#004E5C

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2d3b8a;
/* rgb */ color: rgb(45, 59, 138);
/* oklch */ color: oklch(38.9% 0.132 271.3);

Tailwind

colors: {
  custom: {
    50: '#7170ad',
    500: '#2d3b8a',
    950: '#000000',
  },
}

SCSS

$custom: #2d3b8a;
$custom-light: #7170ad;
$custom-dark: #000000;

JSON

{
  "hex": "#2d3b8a",
  "rgb": {
    "r": 45,
    "g": 59,
    "b": 138
  },
  "hsl": {
    "h": 230.968,
    "s": 50.82,
    "l": 35.882
  },
  "oklch": {
    "l": 0.38902,
    "c": 0.13193,
    "h": 271.3
  },
  "luminance": 0.05521
}

Semantic roles & 50–950 ramp

primary

#2D3B8A

secondary

#B3A760

accent

#C54DDA

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #2D3B8A

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

Preview Lab → · Contrast checker → · Palette generator →