#1D1B60#1D1B60

#1D1B60 is a dark, moderate blue. Relative luminance 0.019; OKLCH L 27.7% C 0.118 H 276.7°. Best body text is #FFFFFF at 15.24:1 contrast (WCAG AA passes).

Color values

HEX	#1D1B60
RGB	rgb(29, 27, 96)
HSL	hsl(242, 56%, 24%)
HSV	hsv(242, 72%, 38%)
CMYK	cmyk(69.8%, 71.9%, 0%, 62.4%)
CIE-LAB	lab(14.90, 25.01, -40.64)
CIE-LCH	lch(14.90, 47.72, 301.61°)
OKLab	oklab(27.68% 0.0137 -0.1173)
OKLCH	oklch(27.68% 0.118 276.7)
XYZ	xyz(3.0093, 1.8893, 11.2702)
Luminance	0.0189 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1B60 #5E601B

analogous

#1B3C60 #1D1B60 #401B60

triadic

#1D1B60 #601D1B #1B601D

tetradic

#1D1B60 #601B3C #5E601B #1B6040

square

#1D1B60 #601B3C #5E601B #1B6040

split-complementary

#1D1B60 #60401B #3C601B

monochromatic

#070718 #0F0E30 #1D1B60 #2B2890 #3A36C0

Accessibility & contrast

On white

15.24

#1D1B60 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#1D1B60 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1B60

15.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1B60	#FFFFFF	#000000	##FFFFFF
##1D1B60	1.00	15.24	1.38	15.24
#FFFFFF	15.24	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002862

Deuteranopia (green-blind)

#00225F

Tritanopia (blue-blind)

#002D3B

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #1d1b60;
/* rgb */ color: rgb(29, 27, 96);
/* oklch */ color: oklch(27.7% 0.118 276.7);

Tailwind

colors: {
  custom: {
    50: '#63588e',
    500: '#1d1b60',
    950: '#000000',
  },
}

SCSS

$custom: #1d1b60;
$custom-light: #63588e;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1b60",
  "rgb": {
    "r": 29,
    "g": 27,
    "b": 96
  },
  "hsl": {
    "h": 241.739,
    "s": 56.098,
    "l": 24.118
  },
  "oklch": {
    "l": 0.2768,
    "c": 0.11806,
    "h": 276.7
  },
  "luminance": 0.0189
}

Semantic roles & 50–950 ramp

primary

#1D1B60

secondary

#939641

accent

#DF48DB

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#06030C

muted

#7A787D

Preview Lab

Preview with #1D1B60

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

Preview Lab → · Contrast checker → · Palette generator →