#2D289C#2D289C

#2D289C is a dark, vivid blue. Relative luminance 0.045; OKLCH L 37.2% C 0.179 H 275.1°. Best body text is #FFFFFF at 11.08:1 contrast (WCAG AA passes).

Color values

HEX	#2D289C
RGB	rgb(45, 40, 156)
HSL	hsl(243, 59%, 38%)
HSV	hsv(243, 74%, 61%)
CMYK	cmyk(71.2%, 74.4%, 0%, 38.8%)
CIE-LAB	lab(25.18, 40.13, -61.82)
CIE-LCH	lch(25.18, 73.71, 302.99°)
OKLab	oklab(37.22% 0.016 -0.1787)
OKLCH	oklch(37.22% 0.179 275.1)
XYZ	xyz(7.8397, 4.4750, 31.8967)
Luminance	0.0448 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D289C #979C28

analogous

#285D9C #2D289C #67289C

triadic

#2D289C #9C2D28 #289C2D

tetradic

#2D289C #9C285D #979C28 #289C67

square

#2D289C #9C285D #979C28 #289C67

split-complementary

#2D289C #9C6728 #5D9C28

monochromatic

#110F3B #1F1C6B #2D289C #3C36CB #6B67D8

Accessibility & contrast

On white

11.08

#2D289C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#2D289C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D289C

11.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D289C	#FFFFFF	#000000	##FFFFFF
##2D289C	1.00	11.08	1.90	11.08
#FFFFFF	11.08	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00419F

Deuteranopia (green-blind)

#00369A

Tritanopia (blue-blind)

#004960

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2d289c;
/* rgb */ color: rgb(45, 40, 156);
/* oklch */ color: oklch(37.2% 0.179 275.1);

Tailwind

colors: {
  custom: {
    50: '#7764ba',
    500: '#2d289c',
    950: '#000000',
  },
}

SCSS

$custom: #2d289c;
$custom-light: #7764ba;
$custom-dark: #000000;

JSON

{
  "hex": "#2d289c",
  "rgb": {
    "r": 45,
    "g": 40,
    "b": 156
  },
  "hsl": {
    "h": 242.586,
    "s": 59.184,
    "l": 38.431
  },
  "oklch": {
    "l": 0.3722,
    "c": 0.17945,
    "h": 275.1
  },
  "luminance": 0.04476
}

Semantic roles & 50–950 ramp

primary

#2D289C

secondary

#BABE62

accent

#E245DC

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #2D289C

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

Preview Lab → · Contrast checker → · Palette generator →