#1D1F94#1D1F94

#1D1F94 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 34.1% C 0.183 H 270.7°. Best body text is #FFFFFF at 12.53:1 contrast (WCAG AA passes).

Color values

HEX	#1D1F94
RGB	rgb(29, 31, 148)
HSL	hsl(239, 67%, 35%)
HSV	hsv(239, 80%, 58%)
CMYK	cmyk(80.4%, 79.1%, 0%, 42%)
CIE-LAB	lab(21.50, 41.14, -63.02)
CIE-LCH	lch(21.50, 75.26, 303.14°)
OKLab	oklab(34.09% 0.0022 -0.1825)
OKLCH	oklch(34.09% 0.183 270.7)
XYZ	xyz(6.3402, 3.3786, 28.3292)
Luminance	0.0338 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1F94 #94921D

analogous

#1D5A94 #1D1F94 #571D94

triadic

#1D1F94 #941D1F #1F941D

tetradic

#1D1F94 #941D5A #94921D #1D9457

square

#1D1F94 #941D5A #94921D #1D9457

split-complementary

#1D1F94 #94571D #5A941D

monochromatic

#090A2E #131461 #1D1F94 #272AC7 #4F51DC

Accessibility & contrast

On white

12.53

#1D1F94 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#1D1F94 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1F94

12.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1F94	#FFFFFF	#000000	##FFFFFF
##1D1F94	1.00	12.53	1.68	12.53
#FFFFFF	12.53	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003997

Deuteranopia (green-blind)

#002D92

Tritanopia (blue-blind)

#004359

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1d1f94;
/* rgb */ color: rgb(29, 31, 148);
/* oklch */ color: oklch(34.1% 0.183 270.7);

Tailwind

colors: {
  custom: {
    50: '#705db5',
    500: '#1d1f94',
    950: '#000000',
  },
}

SCSS

$custom: #1d1f94;
$custom-light: #705db5;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1f94",
  "rgb": {
    "r": 29,
    "g": 31,
    "b": 148
  },
  "hsl": {
    "h": 238.992,
    "s": 67.232,
    "l": 34.706
  },
  "oklch": {
    "l": 0.3409,
    "c": 0.18251,
    "h": 270.7
  },
  "luminance": 0.03379
}

Semantic roles & 50–950 ramp

primary

#1D1F94

secondary

#BFBD4E

accent

#E73EEA

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #1D1F94

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

Preview Lab → · Contrast checker → · Palette generator →