#2D289F#2D289F

#2D289F is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.5% C 0.183 H 274.8°. Best body text is #FFFFFF at 10.96:1 contrast (WCAG AA passes).

Color values

HEX	#2D289F
RGB	rgb(45, 40, 159)
HSL	hsl(243, 60%, 39%)
HSV	hsv(243, 75%, 62%)
CMYK	cmyk(71.7%, 74.8%, 0%, 37.6%)
CIE-LAB	lab(25.50, 41.14, -63.14)
CIE-LCH	lch(25.50, 75.36, 303.09°)
OKLab	oklab(37.54% 0.0155 -0.1826)
OKLCH	oklch(37.54% 0.183 274.8)
XYZ	xyz(8.0969, 4.5779, 33.2511)
Luminance	0.0458 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D289F #9A9F28

analogous

#285F9F #2D289F #69289F

triadic

#2D289F #9F2D28 #289F2D

tetradic

#2D289F #9F285F #9A9F28 #289F69

square

#2D289F #9F285F #9A9F28 #289F69

split-complementary

#2D289F #9F6928 #5F9F28

monochromatic

#110F3D #1F1C6E #2D289F #3E37CD #6D68D9

Accessibility & contrast

On white

10.96

#2D289F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#2D289F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D289F

10.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D289F	#FFFFFF	#000000	##FFFFFF
##2D289F	1.00	10.96	1.92	10.96
#FFFFFF	10.96	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042A2

Deuteranopia (green-blind)

#00379D

Tritanopia (blue-blind)

#004A61

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2d289f;
/* rgb */ color: rgb(45, 40, 159);
/* oklch */ color: oklch(37.5% 0.183 274.8);

Tailwind

colors: {
  custom: {
    50: '#7864bd',
    500: '#2d289f',
    950: '#000000',
  },
}

SCSS

$custom: #2d289f;
$custom-light: #7864bd;
$custom-dark: #000000;

JSON

{
  "hex": "#2d289f",
  "rgb": {
    "r": 45,
    "g": 40,
    "b": 159
  },
  "hsl": {
    "h": 242.521,
    "s": 59.799,
    "l": 39.02
  },
  "oklch": {
    "l": 0.37536,
    "c": 0.18321,
    "h": 274.8
  },
  "luminance": 0.04579
}

Semantic roles & 50–950 ramp

primary

#2D289F

secondary

#BBBF64

accent

#E345DC

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #2D289F

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

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