#2D1F8E#2D1F8E

#2D1F8E is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.5% C 0.171 H 278.2°. Best body text is #FFFFFF at 12.37:1 contrast (WCAG AA passes).

Color values

HEX	#2D1F8E
RGB	rgb(45, 31, 142)
HSL	hsl(248, 64%, 34%)
HSV	hsv(248, 78%, 56%)
CMYK	cmyk(68.3%, 78.2%, 0%, 44.3%)
CIE-LAB	lab(21.91, 40.57, -58.59)
CIE-LCH	lch(21.91, 71.27, 304.70°)
OKLab	oklab(34.46% 0.0243 -0.1692)
OKLCH	oklch(34.46% 0.171 278.2)
XYZ	xyz(6.4531, 3.4903, 25.9196)
Luminance	0.0349 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D1F8E #808E1F

analogous

#1F498E #2D1F8E #651F8E

triadic

#2D1F8E #8E2D1F #1F8E2D

tetradic

#2D1F8E #8E1F49 #808E1F #1F8E65

square

#2D1F8E #8E1F49 #808E1F #1F8E65

split-complementary

#2D1F8E #8E651F #498E1F

monochromatic

#0D092A #1D145C #2D1F8E #3D2AC0 #604FD9

Accessibility & contrast

On white

12.37

#2D1F8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#2D1F8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D1F8E

12.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D1F8E	#FFFFFF	#000000	##FFFFFF
##2D1F8E	1.00	12.37	1.70	12.37
#FFFFFF	12.37	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003991

Deuteranopia (green-blind)

#00308C

Tritanopia (blue-blind)

#004055

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #2d1f8e;
/* rgb */ color: rgb(45, 31, 142);
/* oklch */ color: oklch(34.5% 0.171 278.2);

Tailwind

colors: {
  custom: {
    50: '#755db0',
    500: '#2d1f8e',
    950: '#000000',
  },
}

SCSS

$custom: #2d1f8e;
$custom-light: #755db0;
$custom-dark: #000000;

JSON

{
  "hex": "#2d1f8e",
  "rgb": {
    "r": 45,
    "g": 31,
    "b": 142
  },
  "hsl": {
    "h": 247.568,
    "s": 64.162,
    "l": 33.922
  },
  "oklch": {
    "l": 0.34463,
    "c": 0.17098,
    "h": 278.2
  },
  "luminance": 0.03491
}

Semantic roles & 50–950 ramp

primary

#2D1F8E

secondary

#AEBB4D

accent

#E741D2

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #2D1F8E

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

Preview Lab → · Contrast checker → · Palette generator →