#2D1F90#2D1F90

#2D1F90 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.7% C 0.173 H 277.9°. Best body text is #FFFFFF at 12.28:1 contrast (WCAG AA passes).

Color values

HEX	#2D1F90
RGB	rgb(45, 31, 144)
HSL	hsl(247, 65%, 34%)
HSV	hsv(247, 78%, 56%)
CMYK	cmyk(68.7%, 78.5%, 0%, 43.5%)
CIE-LAB	lab(22.13, 41.22, -59.47)
CIE-LCH	lch(22.13, 72.36, 304.72°)
OKLab	oklab(34.68% 0.0238 -0.1718)
OKLCH	oklch(34.68% 0.173 277.9)
XYZ	xyz(6.6046, 3.5509, 26.7175)
Luminance	0.0355 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D1F90 #82901F

analogous

#1F4990 #2D1F90 #661F90

triadic

#2D1F90 #902D1F #1F902D

tetradic

#2D1F90 #901F49 #82901F #1F9066

square

#2D1F90 #901F49 #82901F #1F9066

split-complementary

#2D1F90 #90661F #49901F

monochromatic

#0E092B #1D145E #2D1F90 #3D2AC2 #6150D9

Accessibility & contrast

On white

12.28

#2D1F90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#2D1F90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D1F90

12.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D1F90	#FFFFFF	#000000	##FFFFFF
##2D1F90	1.00	12.28	1.71	12.28
#FFFFFF	12.28	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003993

Deuteranopia (green-blind)

#00308E

Tritanopia (blue-blind)

#004057

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #2d1f90;
/* rgb */ color: rgb(45, 31, 144);
/* oklch */ color: oklch(34.7% 0.173 277.9);

Tailwind

colors: {
  custom: {
    50: '#755db2',
    500: '#2d1f90',
    950: '#000000',
  },
}

SCSS

$custom: #2d1f90;
$custom-light: #755db2;
$custom-dark: #000000;

JSON

{
  "hex": "#2d1f90",
  "rgb": {
    "r": 45,
    "g": 31,
    "b": 144
  },
  "hsl": {
    "h": 247.434,
    "s": 64.571,
    "l": 34.314
  },
  "oklch": {
    "l": 0.34681,
    "c": 0.17345,
    "h": 277.9
  },
  "luminance": 0.03551
}

Semantic roles & 50–950 ramp

primary

#2D1F90

secondary

#AFBC4E

accent

#E840D3

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #2D1F90

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

Preview Lab → · Contrast checker → · Palette generator →