#2D289D#2D289D

#2D289D is a dark, vivid blue. Relative luminance 0.045; OKLCH L 37.3% C 0.181 H 275.0°. Best body text is #FFFFFF at 11.04:1 contrast (WCAG AA passes).

Color values

HEX	#2D289D
RGB	rgb(45, 40, 157)
HSL	hsl(243, 59%, 39%)
HSV	hsv(243, 75%, 62%)
CMYK	cmyk(71.3%, 74.5%, 0%, 38.4%)
CIE-LAB	lab(25.29, 40.47, -62.26)
CIE-LCH	lch(25.29, 74.26, 303.02°)
OKLab	oklab(37.33% 0.0159 -0.18)
OKLCH	oklch(37.33% 0.181 275)
XYZ	xyz(7.9248, 4.5090, 32.3444)
Luminance	0.0451 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D289D #989D28

analogous

#285D9D #2D289D #67289D

triadic

#2D289D #9D2D28 #289D2D

tetradic

#2D289D #9D285D #989D28 #289D67

square

#2D289D #9D285D #989D28 #289D67

split-complementary

#2D289D #9D6728 #5D9D28

monochromatic

#110F3B #1F1C6C #2D289D #3D36CC #6C67D8

Accessibility & contrast

On white

11.04

#2D289D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#2D289D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D289D

11.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D289D	#FFFFFF	#000000	##FFFFFF
##2D289D	1.00	11.04	1.90	11.04
#FFFFFF	11.04	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041A0

Deuteranopia (green-blind)

#00379B

Tritanopia (blue-blind)

#004960

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2d289d;
/* rgb */ color: rgb(45, 40, 157);
/* oklch */ color: oklch(37.3% 0.181 275.0);

Tailwind

colors: {
  custom: {
    50: '#7764bb',
    500: '#2d289d',
    950: '#000000',
  },
}

SCSS

$custom: #2d289d;
$custom-light: #7764bb;
$custom-dark: #000000;

JSON

{
  "hex": "#2d289d",
  "rgb": {
    "r": 45,
    "g": 40,
    "b": 157
  },
  "hsl": {
    "h": 242.564,
    "s": 59.391,
    "l": 38.627
  },
  "oklch": {
    "l": 0.37325,
    "c": 0.18071,
    "h": 275
  },
  "luminance": 0.0451
}

Semantic roles & 50–950 ramp

primary

#2D289D

secondary

#BABE62

accent

#E345DC

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #2D289D

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

Preview Lab → · Contrast checker → · Palette generator →