#2D288D#2D288D

#2D288D is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.7% C 0.160 H 276.7°. Best body text is #FFFFFF at 11.67:1 contrast (WCAG AA passes).

Color values

HEX	#2D288D
RGB	rgb(45, 40, 141)
HSL	hsl(243, 56%, 35%)
HSV	hsv(243, 72%, 55%)
CMYK	cmyk(68.1%, 71.6%, 0%, 44.7%)
CIE-LAB	lab(23.66, 35.03, -55.08)
CIE-LCH	lch(23.66, 65.27, 302.46°)
OKLab	oklab(35.68% 0.0188 -0.159)
OKLCH	oklch(35.68% 0.16 276.7)
XYZ	xyz(6.6471, 3.9980, 25.6155)
Luminance	0.0400 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D288D #888D28

analogous

#28568D #2D288D #5F288D

triadic

#2D288D #8D2D28 #288D2D

tetradic

#2D288D #8D2856 #888D28 #288D5F

square

#2D288D #8D2856 #888D28 #288D5F

split-complementary

#2D288D #8D5F28 #568D28

monochromatic

#0F0D2E #1E1A5D #2D288D #3C36BD #645ED1

Accessibility & contrast

On white

11.67

#2D288D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#2D288D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D288D

11.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D288D	#FFFFFF	#000000	##FFFFFF
##2D288D	1.00	11.67	1.80	11.67
#FFFFFF	11.67	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D90

Deuteranopia (green-blind)

#00348B

Tritanopia (blue-blind)

#004457

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #2d288d;
/* rgb */ color: rgb(45, 40, 141);
/* oklch */ color: oklch(35.7% 0.160 276.7);

Tailwind

colors: {
  custom: {
    50: '#7463af',
    500: '#2d288d',
    950: '#000000',
  },
}

SCSS

$custom: #2d288d;
$custom-light: #7463af;
$custom-dark: #000000;

JSON

{
  "hex": "#2d288d",
  "rgb": {
    "r": 45,
    "g": 40,
    "b": 141
  },
  "hsl": {
    "h": 242.97,
    "s": 55.801,
    "l": 35.49
  },
  "oklch": {
    "l": 0.35678,
    "c": 0.16014,
    "h": 276.7
  },
  "luminance": 0.03999
}

Semantic roles & 50–950 ramp

primary

#2D288D

secondary

#B2B75A

accent

#DF49D8

background

#F7F5FA

surface

#EDEAF5

border

#C8C6CF

text

#090511

muted

#7B7980

Preview Lab

Preview with #2D288D

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

Preview Lab → · Contrast checker → · Palette generator →