#1D136E#1D136E

#1D136E is a dark, vivid blue. Relative luminance 0.019; OKLCH L 28.0% C 0.146 H 276.3°. Best body text is #FFFFFF at 15.32:1 contrast (WCAG AA passes).

Color values

HEX	#1D136E
RGB	rgb(29, 19, 110)
HSL	hsl(247, 71%, 25%)
HSV	hsv(247, 83%, 43%)
CMYK	cmyk(73.6%, 82.7%, 0%, 56.9%)
CIE-LAB	lab(14.69, 34.89, -50.19)
CIE-LCH	lch(14.69, 61.12, 304.80°)
OKLab	oklab(28% 0.0159 -0.1451)
OKLCH	oklch(28% 0.146 276.3)
XYZ	xyz(3.5531, 1.8524, 14.9191)
Luminance	0.0185 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D136E #646E13

analogous

#13376E #1D136E #4A136E

triadic

#1D136E #6E1D13 #136E1D

tetradic

#1D136E #6E1337 #646E13 #136E4A

square

#1D136E #6E1337 #646E13 #136E4A

split-complementary

#1D136E #6E4A13 #376E13

monochromatic

#07051A #0F0A3A #1D136E #2B1CA2 #3925D6

Accessibility & contrast

On white

15.32

#1D136E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#1D136E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D136E

15.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D136E	#FFFFFF	#000000	##FFFFFF
##1D136E	1.00	15.32	1.37	15.32
#FFFFFF	15.32	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002971

Deuteranopia (green-blind)

#00216C

Tritanopia (blue-blind)

#002F40

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #1d136e;
/* rgb */ color: rgb(29, 19, 110);
/* oklch */ color: oklch(28.0% 0.146 276.3);

Tailwind

colors: {
  custom: {
    50: '#675399',
    500: '#1d136e',
    950: '#000000',
  },
}

SCSS

$custom: #1d136e;
$custom-light: #675399;
$custom-dark: #000000;

JSON

{
  "hex": "#1d136e",
  "rgb": {
    "r": 29,
    "g": 19,
    "b": 110
  },
  "hsl": {
    "h": 246.593,
    "s": 70.543,
    "l": 25.294
  },
  "oklch": {
    "l": 0.27999,
    "c": 0.14595,
    "h": 276.3
  },
  "luminance": 0.01853
}

Semantic roles & 50–950 ramp

primary

#1D136E

secondary

#99A538

accent

#ED3ADA

background

#F6F4F9

surface

#EBE7F2

border

#C6C3CC

text

#07020E

muted

#7A787E

Preview Lab

Preview with #1D136E

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

Preview Lab → · Contrast checker → · Palette generator →