#2D289E#2D289E

#2D289E is a dark, vivid blue. Relative luminance 0.045; OKLCH L 37.4% C 0.182 H 274.9°. Best body text is #FFFFFF at 11.00:1 contrast (WCAG AA passes).

Color values

HEX	#2D289E
RGB	rgb(45, 40, 158)
HSL	hsl(243, 60%, 39%)
HSV	hsv(243, 75%, 62%)
CMYK	cmyk(71.5%, 74.7%, 0%, 38%)
CIE-LAB	lab(25.39, 40.81, -62.70)
CIE-LCH	lch(25.39, 74.81, 303.06°)
OKLab	oklab(37.43% 0.0157 -0.1813)
OKLCH	oklch(37.43% 0.182 274.9)
XYZ	xyz(8.0105, 4.5433, 32.7959)
Luminance	0.0454 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D289E #999E28

analogous

#285E9E #2D289E #68289E

triadic

#2D289E #9E2D28 #289E2D

tetradic

#2D289E #9E285E #999E28 #289E68

square

#2D289E #9E285E #999E28 #289E68

split-complementary

#2D289E #9E6828 #5E9E28

monochromatic

#110F3C #1F1C6D #2D289E #3D37CC #6C68D9

Accessibility & contrast

On white

11.00

#2D289E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#2D289E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D289E

11.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D289E	#FFFFFF	#000000	##FFFFFF
##2D289E	1.00	11.00	1.91	11.00
#FFFFFF	11.00	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041A1

Deuteranopia (green-blind)

#00379C

Tritanopia (blue-blind)

#004A61

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2d289e;
/* rgb */ color: rgb(45, 40, 158);
/* oklch */ color: oklch(37.4% 0.182 274.9);

Tailwind

colors: {
  custom: {
    50: '#7764bc',
    500: '#2d289e',
    950: '#000000',
  },
}

SCSS

$custom: #2d289e;
$custom-light: #7764bc;
$custom-dark: #000000;

JSON

{
  "hex": "#2d289e",
  "rgb": {
    "r": 45,
    "g": 40,
    "b": 158
  },
  "hsl": {
    "h": 242.542,
    "s": 59.596,
    "l": 38.824
  },
  "oklch": {
    "l": 0.37431,
    "c": 0.18197,
    "h": 274.9
  },
  "luminance": 0.04544
}

Semantic roles & 50–950 ramp

primary

#2D289E

secondary

#BBBF63

accent

#E345DC

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #2D289E

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

Preview Lab → · Contrast checker → · Palette generator →