#2D3A8B#2D3A8B

#2D3A8B is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.8% C 0.135 H 271.7°. Best body text is #FFFFFF at 10.05:1 contrast (WCAG AA passes).

Color values

HEX	#2D3A8B
RGB	rgb(45, 58, 139)
HSL	hsl(232, 51%, 36%)
HSV	hsv(232, 68%, 55%)
CMYK	cmyk(67.6%, 58.3%, 0%, 45.5%)
CIE-LAB	lab(27.97, 22.55, -46.80)
CIE-LCH	lch(27.97, 51.95, 295.72°)
OKLab	oklab(38.78% 0.004 -0.1346)
OKLCH	oklch(38.78% 0.135 271.7)
XYZ	xyz(7.2539, 5.4474, 25.0903)
Luminance	0.0545 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D3A8B #8B7E2D

analogous

#2D698B #2D3A8B #4F2D8B

triadic

#2D3A8B #8B2D3A #3A8B2D

tetradic

#2D3A8B #8B2D69 #8B7E2D #2D8B4F

square

#2D3A8B #8B2D69 #8B7E2D #2D8B4F

split-complementary

#2D3A8B #8B4F2D #698B2D

monochromatic

#0F132F #1E275D #2D3A8B #3C4DB9 #6574CD

Accessibility & contrast

On white

10.05

#2D3A8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#2D3A8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D3A8B

10.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D3A8B	#FFFFFF	#000000	##FFFFFF
##2D3A8B	1.00	10.05	2.09	10.05
#FFFFFF	10.05	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00468E

Deuteranopia (green-blind)

#003E89

Tritanopia (blue-blind)

#004E5C

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2d3a8b;
/* rgb */ color: rgb(45, 58, 139);
/* oklch */ color: oklch(38.8% 0.135 271.7);

Tailwind

colors: {
  custom: {
    50: '#7270ae',
    500: '#2d3a8b',
    950: '#000000',
  },
}

SCSS

$custom: #2d3a8b;
$custom-light: #7270ae;
$custom-dark: #000000;

JSON

{
  "hex": "#2d3a8b",
  "rgb": {
    "r": 45,
    "g": 58,
    "b": 139
  },
  "hsl": {
    "h": 231.702,
    "s": 51.087,
    "l": 36.078
  },
  "oklch": {
    "l": 0.38781,
    "c": 0.13471,
    "h": 271.7
  },
  "luminance": 0.05448
}

Semantic roles & 50–950 ramp

primary

#2D3A8B

secondary

#B4A860

accent

#C74DDB

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #2D3A8B

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

Preview Lab → · Contrast checker → · Palette generator →