#2D287F#2D287F

#2D287F is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.3% C 0.141 H 278.5°. Best body text is #FFFFFF at 12.20:1 contrast (WCAG AA passes).

Color values

HEX	#2D287F
RGB	rgb(45, 40, 127)
HSL	hsl(243, 52%, 33%)
HSV	hsv(243, 69%, 50%)
CMYK	cmyk(64.6%, 68.5%, 0%, 50.2%)
CIE-LAB	lab(22.33, 30.16, -48.49)
CIE-LCH	lch(22.33, 57.11, 301.88°)
OKLab	oklab(34.31% 0.0208 -0.1398)
OKLCH	oklch(34.31% 0.141 278.5)
XYZ	xyz(5.6705, 3.6073, 20.4720)
Luminance	0.0361 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D287F #7A7F28

analogous

#284F7F #2D287F #58287F

triadic

#2D287F #7F2D28 #287F2D

tetradic

#2D287F #7F284F #7A7F28 #287F58

square

#2D287F #7F284F #7A7F28 #287F58

split-complementary

#2D287F #7F5828 #4F7F28

monochromatic

#0C0B22 #1D1950 #2D287F #3D37AE #5E57CA

Accessibility & contrast

On white

12.20

#2D287F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#2D287F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D287F

12.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D287F	#FFFFFF	#000000	##FFFFFF
##2D287F	1.00	12.20	1.72	12.20
#FFFFFF	12.20	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003982

Deuteranopia (green-blind)

#00327D

Tritanopia (blue-blind)

#003F50

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #2d287f;
/* rgb */ color: rgb(45, 40, 127);
/* oklch */ color: oklch(34.3% 0.141 278.5);

Tailwind

colors: {
  custom: {
    50: '#7062a5',
    500: '#2d287f',
    950: '#000000',
  },
}

SCSS

$custom: #2d287f;
$custom-light: #7062a5;
$custom-dark: #000000;

JSON

{
  "hex": "#2d287f",
  "rgb": {
    "r": 45,
    "g": 40,
    "b": 127
  },
  "hsl": {
    "h": 243.448,
    "s": 52.096,
    "l": 32.745
  },
  "oklch": {
    "l": 0.34306,
    "c": 0.14131,
    "h": 278.5
  },
  "luminance": 0.03608
}

Semantic roles & 50–950 ramp

primary

#2D287F

secondary

#AAAF54

accent

#DC4CD3

background

#F7F5FA

surface

#EDEAF4

border

#C8C6CE

text

#08050F

muted

#7B797F

Preview Lab

Preview with #2D287F

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

Preview Lab → · Contrast checker → · Palette generator →