#2D288E#2D288E

#2D288E is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.8% C 0.161 H 276.6°. Best body text is #FFFFFF at 11.63:1 contrast (WCAG AA passes).

Color values

HEX	#2D288E
RGB	rgb(45, 40, 142)
HSL	hsl(243, 56%, 36%)
HSV	hsv(243, 72%, 56%)
CMYK	cmyk(68.3%, 71.8%, 0%, 44.3%)
CIE-LAB	lab(23.76, 35.38, -55.54)
CIE-LCH	lch(23.76, 65.85, 302.50°)
OKLab	oklab(35.78% 0.0186 -0.1604)
OKLCH	oklch(35.78% 0.161 276.6)
XYZ	xyz(6.7219, 4.0279, 26.0092)
Luminance	0.0403 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D288E #898E28

analogous

#28568E #2D288E #60288E

triadic

#2D288E #8E2D28 #288E2D

tetradic

#2D288E #8E2856 #898E28 #288E60

square

#2D288E #8E2856 #898E28 #288E60

split-complementary

#2D288E #8E6028 #568E28

monochromatic

#0F0D2F #1E1B5E #2D288E #3C35BE #645FD2

Accessibility & contrast

On white

11.63

#2D288E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#2D288E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D288E

11.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D288E	#FFFFFF	#000000	##FFFFFF
##2D288E	1.00	11.63	1.81	11.63
#FFFFFF	11.63	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D91

Deuteranopia (green-blind)

#00348C

Tritanopia (blue-blind)

#004458

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #2d288e;
/* rgb */ color: rgb(45, 40, 142);
/* oklch */ color: oklch(35.8% 0.161 276.6);

Tailwind

colors: {
  custom: {
    50: '#7463b0',
    500: '#2d288e',
    950: '#000000',
  },
}

SCSS

$custom: #2d288e;
$custom-light: #7463b0;
$custom-dark: #000000;

JSON

{
  "hex": "#2d288e",
  "rgb": {
    "r": 45,
    "g": 40,
    "b": 142
  },
  "hsl": {
    "h": 242.941,
    "s": 56.044,
    "l": 35.686
  },
  "oklch": {
    "l": 0.35779,
    "c": 0.16146,
    "h": 276.6
  },
  "luminance": 0.04028
}

Semantic roles & 50–950 ramp

primary

#2D288E

secondary

#B3B75B

accent

#DF48D8

background

#F7F5FB

surface

#EDEAF6

border

#C8C6D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #2D288E

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

Preview Lab → · Contrast checker → · Palette generator →