#2D288C#2D288C

#2D288C is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.6% C 0.159 H 276.8°. Best body text is #FFFFFF at 11.71:1 contrast (WCAG AA passes).

Color values

HEX	#2D288C
RGB	rgb(45, 40, 140)
HSL	hsl(243, 56%, 35%)
HSV	hsv(243, 71%, 55%)
CMYK	cmyk(67.9%, 71.4%, 0%, 45.1%)
CIE-LAB	lab(23.57, 34.69, -54.62)
CIE-LCH	lch(23.57, 64.70, 302.42°)
OKLab	oklab(35.58% 0.0189 -0.1577)
OKLCH	oklch(35.58% 0.159 276.8)
XYZ	xyz(6.5731, 3.9684, 25.2254)
Luminance	0.0397 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D288C #878C28

analogous

#28558C #2D288C #5F288C

triadic

#2D288C #8C2D28 #288C2D

tetradic

#2D288C #8C2855 #878C28 #288C5F

square

#2D288C #8C2855 #878C28 #288C5F

split-complementary

#2D288C #8C5F28 #558C28

monochromatic

#0E0D2D #1E1A5C #2D288C #3C36BC #635ED1

Accessibility & contrast

On white

11.71

#2D288C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#2D288C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D288C

11.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D288C	#FFFFFF	#000000	##FFFFFF
##2D288C	1.00	11.71	1.79	11.71
#FFFFFF	11.71	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C8F

Deuteranopia (green-blind)

#00348A

Tritanopia (blue-blind)

#004357

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #2d288c;
/* rgb */ color: rgb(45, 40, 140);
/* oklch */ color: oklch(35.6% 0.159 276.8);

Tailwind

colors: {
  custom: {
    50: '#7363af',
    500: '#2d288c',
    950: '#000000',
  },
}

SCSS

$custom: #2d288c;
$custom-light: #7363af;
$custom-dark: #000000;

JSON

{
  "hex": "#2d288c",
  "rgb": {
    "r": 45,
    "g": 40,
    "b": 140
  },
  "hsl": {
    "h": 243,
    "s": 55.556,
    "l": 35.294
  },
  "oklch": {
    "l": 0.35578,
    "c": 0.15883,
    "h": 276.8
  },
  "luminance": 0.03969
}

Semantic roles & 50–950 ramp

primary

#2D288C

secondary

#B2B65A

accent

#DF49D7

background

#F7F5FA

surface

#EDEAF5

border

#C8C6CF

text

#090510

muted

#7B797F

Preview Lab

Preview with #2D288C

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

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