#1D135C#1D135C

#1D135C is a dark, vivid blue. Relative luminance 0.015; OKLCH L 25.9% C 0.122 H 279.8°. Best body text is #FFFFFF at 16.15:1 contrast (WCAG AA passes).

Color values

HEX	#1D135C
RGB	rgb(29, 19, 92)
HSL	hsl(248, 66%, 22%)
HSV	hsv(248, 79%, 36%)
CMYK	cmyk(68.5%, 79.3%, 0%, 63.9%)
CIE-LAB	lab(12.60, 28.71, -41.73)
CIE-LCH	lch(12.60, 50.65, 304.53°)
OKLab	oklab(25.91% 0.0208 -0.1204)
OKLCH	oklch(25.91% 0.122 279.8)
XYZ	xyz(2.6707, 1.4995, 10.2718)
Luminance	0.0150 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D135C #525C13

analogous

#132E5C #1D135C #42135C

triadic

#1D135C #5C1D13 #135C1D

tetradic

#1D135C #5C132E #525C13 #135C42

square

#1D135C #5C132E #525C13 #135C42

split-complementary

#1D135C #5C4213 #2E5C13

monochromatic

#080519 #0D0929 #1D135C #2D1D8F #3D28C1

Accessibility & contrast

On white

16.15

#1D135C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#1D135C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D135C

16.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D135C	#FFFFFF	#000000	##FFFFFF
##1D135C	1.00	16.15	1.30	16.15
#FFFFFF	16.15	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00235E

Deuteranopia (green-blind)

#001E5B

Tritanopia (blue-blind)

#002836

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #1d135c;
/* rgb */ color: rgb(29, 19, 92);
/* oklch */ color: oklch(25.9% 0.122 279.8);

Tailwind

colors: {
  custom: {
    50: '#63528b',
    500: '#1d135c',
    950: '#000000',
  },
}

SCSS

$custom: #1d135c;
$custom-light: #63528b;
$custom-dark: #000000;

JSON

{
  "hex": "#1d135c",
  "rgb": {
    "r": 29,
    "g": 19,
    "b": 92
  },
  "hsl": {
    "h": 248.219,
    "s": 65.766,
    "l": 21.765
  },
  "oklch": {
    "l": 0.25913,
    "c": 0.12221,
    "h": 279.8
  },
  "luminance": 0.015
}

Semantic roles & 50–950 ramp

primary

#1D135C

secondary

#879437

accent

#E93FD1

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06020C

muted

#7A787D

Preview Lab

Preview with #1D135C

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

Preview Lab → · Contrast checker → · Palette generator →