#1D135A#1D135A

#1D135A is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.7% C 0.119 H 280.3°. Best body text is #FFFFFF at 16.24:1 contrast (WCAG AA passes).

Color values

HEX	#1D135A
RGB	rgb(29, 19, 90)
HSL	hsl(248, 65%, 21%)
HSV	hsv(248, 79%, 35%)
CMYK	cmyk(67.8%, 78.9%, 0%, 64.7%)
CIE-LAB	lab(12.38, 28.01, -40.75)
CIE-LCH	lch(12.38, 49.45, 304.51°)
OKLab	oklab(25.69% 0.0213 -0.1176)
OKLCH	oklch(25.69% 0.119 280.3)
XYZ	xyz(2.5844, 1.4649, 9.8174)
Luminance	0.0146 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D135A #505A13

analogous

#132D5A #1D135A #41135A

triadic

#1D135A #5A1D13 #135A1D

tetradic

#1D135A #5A132D #505A13 #135A41

square

#1D135A #5A132D #505A13 #135A41

split-complementary

#1D135A #5A4113 #2D5A13

monochromatic

#080519 #0D0827 #1D135A #2D1E8D #3E28BF

Accessibility & contrast

On white

16.24

#1D135A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#1D135A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D135A

16.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D135A	#FFFFFF	#000000	##FFFFFF
##1D135A	1.00	16.24	1.29	16.24
#FFFFFF	16.24	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00235C

Deuteranopia (green-blind)

#001E59

Tritanopia (blue-blind)

#002735

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #1d135a;
/* rgb */ color: rgb(29, 19, 90);
/* oklch */ color: oklch(25.7% 0.119 280.3);

Tailwind

colors: {
  custom: {
    50: '#625289',
    500: '#1d135a',
    950: '#000000',
  },
}

SCSS

$custom: #1d135a;
$custom-light: #625289;
$custom-dark: #000000;

JSON

{
  "hex": "#1d135a",
  "rgb": {
    "r": 29,
    "g": 19,
    "b": 90
  },
  "hsl": {
    "h": 248.451,
    "s": 65.138,
    "l": 21.373
  },
  "oklch": {
    "l": 0.2569,
    "c": 0.11947,
    "h": 280.3
  },
  "luminance": 0.01465
}

Semantic roles & 50–950 ramp

primary

#1D135A

secondary

#859237

accent

#E840D0

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06020C

muted

#7A787D

Preview Lab

Preview with #1D135A

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

Preview Lab → · Contrast checker → · Palette generator →