#2A1F90#2A1F90

#2A1F90 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.5% C 0.174 H 276.4°. Best body text is #FFFFFF at 12.37:1 contrast (WCAG AA passes).

Color values

HEX	#2A1F90
RGB	rgb(42, 31, 144)
HSL	hsl(246, 65%, 34%)
HSV	hsv(246, 78%, 56%)
CMYK	cmyk(70.8%, 78.5%, 0%, 43.5%)
CIE-LAB	lab(21.89, 40.91, -59.87)
CIE-LCH	lch(21.89, 72.51, 304.34°)
OKLab	oklab(34.46% 0.0196 -0.173)
OKLCH	oklch(34.46% 0.174 276.4)
XYZ	xyz(6.4772, 3.4852, 26.7115)
Luminance	0.0349 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A1F90 #85901F

analogous

#1F4D90 #2A1F90 #631F90

triadic

#2A1F90 #902A1F #1F902A

tetradic

#2A1F90 #901F4D #85901F #1F9063

square

#2A1F90 #901F4D #85901F #1F9063

split-complementary

#2A1F90 #90631F #4D901F

monochromatic

#0D092B #1B145E #2A1F90 #392AC2 #5D50D9

Accessibility & contrast

On white

12.37

#2A1F90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#2A1F90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A1F90

12.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A1F90	#FFFFFF	#000000	##FFFFFF
##2A1F90	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)

#003993

Deuteranopia (green-blind)

#002F8E

Tritanopia (blue-blind)

#004157

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #2a1f90;
/* rgb */ color: rgb(42, 31, 144);
/* oklch */ color: oklch(34.5% 0.174 276.4);

Tailwind

colors: {
  custom: {
    50: '#745db2',
    500: '#2a1f90',
    950: '#000000',
  },
}

SCSS

$custom: #2a1f90;
$custom-light: #745db2;
$custom-dark: #000000;

JSON

{
  "hex": "#2a1f90",
  "rgb": {
    "r": 42,
    "g": 31,
    "b": 144
  },
  "hsl": {
    "h": 245.841,
    "s": 64.571,
    "l": 34.314
  },
  "oklch": {
    "l": 0.34455,
    "c": 0.17415,
    "h": 276.4
  },
  "luminance": 0.03486
}

Semantic roles & 50–950 ramp

primary

#2A1F90

secondary

#B2BC4E

accent

#E840D7

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #2A1F90

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

Preview Lab → · Contrast checker → · Palette generator →