#1D135E#1D135E

#1D135E is a dark, vivid blue. Relative luminance 0.015; OKLCH L 26.1% C 0.125 H 279.3°. Best body text is #FFFFFF at 16.07:1 contrast (WCAG AA passes).

Color values

HEX	#1D135E
RGB	rgb(29, 19, 94)
HSL	hsl(248, 66%, 22%)
HSV	hsv(248, 80%, 37%)
CMYK	cmyk(69.1%, 79.8%, 0%, 63.1%)
CIE-LAB	lab(12.83, 29.41, -42.70)
CIE-LCH	lch(12.83, 51.85, 304.56°)
OKLab	oklab(26.14% 0.0203 -0.1233)
OKLCH	oklch(26.14% 0.125 279.3)
XYZ	xyz(2.7593, 1.5349, 10.7384)
Luminance	0.0154 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D135E #545E13

analogous

#132F5E #1D135E #43135E

triadic

#1D135E #5E1D13 #135E1D

tetradic

#1D135E #5E132F #545E13 #135E43

square

#1D135E #5E132F #545E13 #135E43

split-complementary

#1D135E #5E4313 #2F5E13

monochromatic

#080519 #0D092B #1D135E #2D1D91 #3C28C4

Accessibility & contrast

On white

16.07

#1D135E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#1D135E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D135E

16.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D135E	#FFFFFF	#000000	##FFFFFF
##1D135E	1.00	16.07	1.31	16.07
#FFFFFF	16.07	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002460

Deuteranopia (green-blind)

#001E5D

Tritanopia (blue-blind)

#002837

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #1d135e;
/* rgb */ color: rgb(29, 19, 94);
/* oklch */ color: oklch(26.1% 0.125 279.3);

Tailwind

colors: {
  custom: {
    50: '#63528d',
    500: '#1d135e',
    950: '#000000',
  },
}

SCSS

$custom: #1d135e;
$custom-light: #63528d;
$custom-dark: #000000;

JSON

{
  "hex": "#1d135e",
  "rgb": {
    "r": 29,
    "g": 19,
    "b": 94
  },
  "hsl": {
    "h": 248,
    "s": 66.372,
    "l": 22.157
  },
  "oklch": {
    "l": 0.26138,
    "c": 0.12493,
    "h": 279.3
  },
  "luminance": 0.01535
}

Semantic roles & 50–950 ramp

primary

#1D135E

secondary

#899637

accent

#E93FD3

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06020C

muted

#7A787D

Preview Lab

Preview with #1D135E

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

Preview Lab → · Contrast checker → · Palette generator →