#2D289A#2D289A

#2D289A is a dark, vivid blue. Relative luminance 0.044; OKLCH L 37.0% C 0.177 H 275.3°. Best body text is #FFFFFF at 11.16:1 contrast (WCAG AA passes).

Color values

HEX	#2D289A
RGB	rgb(45, 40, 154)
HSL	hsl(243, 59%, 38%)
HSV	hsv(243, 74%, 60%)
CMYK	cmyk(70.8%, 74%, 0%, 39.6%)
CIE-LAB	lab(24.98, 39.46, -60.94)
CIE-LCH	lch(24.98, 72.60, 302.93°)
OKLab	oklab(37.01% 0.0164 -0.1762)
OKLCH	oklch(37.01% 0.177 275.3)
XYZ	xyz(7.6718, 4.4078, 31.0121)
Luminance	0.0441 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D289A #959A28

analogous

#285C9A #2D289A #66289A

triadic

#2D289A #9A2D28 #289A2D

tetradic

#2D289A #9A285C #959A28 #289A66

square

#2D289A #9A285C #959A28 #289A66

split-complementary

#2D289A #9A6628 #5C9A28

monochromatic

#110F39 #1F1B69 #2D289A #3B35CA #6A65D7

Accessibility & contrast

On white

11.16

#2D289A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#2D289A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D289A

11.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D289A	#FFFFFF	#000000	##FFFFFF
##2D289A	1.00	11.16	1.88	11.16
#FFFFFF	11.16	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00409D

Deuteranopia (green-blind)

#003698

Tritanopia (blue-blind)

#00485E

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #2d289a;
/* rgb */ color: rgb(45, 40, 154);
/* oklch */ color: oklch(37.0% 0.177 275.3);

Tailwind

colors: {
  custom: {
    50: '#7763b9',
    500: '#2d289a',
    950: '#000000',
  },
}

SCSS

$custom: #2d289a;
$custom-light: #7763b9;
$custom-dark: #000000;

JSON

{
  "hex": "#2d289a",
  "rgb": {
    "r": 45,
    "g": 40,
    "b": 154
  },
  "hsl": {
    "h": 242.632,
    "s": 58.763,
    "l": 38.039
  },
  "oklch": {
    "l": 0.37011,
    "c": 0.17692,
    "h": 275.3
  },
  "luminance": 0.04409
}

Semantic roles & 50–950 ramp

primary

#2D289A

secondary

#B9BD61

accent

#E246DB

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #2D289A

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

Preview Lab → · Contrast checker → · Palette generator →