#1D137E#1D137E

#1D137E is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.9% C 0.166 H 273.9°. Best body text is #FFFFFF at 14.52:1 contrast (WCAG AA passes).

Color values

HEX	#1D137E
RGB	rgb(29, 19, 126)
HSL	hsl(246, 74%, 28%)
HSV	hsv(246, 85%, 49%)
CMYK	cmyk(77%, 84.9%, 0%, 50.6%)
CIE-LAB	lab(16.66, 40.14, -57.23)
CIE-LCH	lch(16.66, 69.91, 305.04°)
OKLab	oklab(29.94% 0.0114 -0.1655)
OKLCH	oklch(29.94% 0.166 273.9)
XYZ	xyz(4.5042, 2.2329, 19.9282)
Luminance	0.0223 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D137E #747E13

analogous

#133F7E #1D137E #52137E

triadic

#1D137E #7E1D13 #137E1D

tetradic

#1D137E #7E133F #747E13 #137E52

square

#1D137E #7E133F #747E13 #137E52

split-complementary

#1D137E #7E5213 #3F7E13

monochromatic

#06041B #110B49 #1D137E #291BB3 #3D2CDF

Accessibility & contrast

On white

14.52

#1D137E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#1D137E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D137E

14.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D137E	#FFFFFF	#000000	##FFFFFF
##1D137E	1.00	14.52	1.45	14.52
#FFFFFF	14.52	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E81

Deuteranopia (green-blind)

#00247C

Tritanopia (blue-blind)

#00354A

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #1d137e;
/* rgb */ color: rgb(29, 19, 126);
/* oklch */ color: oklch(29.9% 0.166 273.9);

Tailwind

colors: {
  custom: {
    50: '#6c55a5',
    500: '#1d137e',
    950: '#000000',
  },
}

SCSS

$custom: #1d137e;
$custom-light: #6c55a5;
$custom-dark: #000000;

JSON

{
  "hex": "#1d137e",
  "rgb": {
    "r": 29,
    "g": 19,
    "b": 126
  },
  "hsl": {
    "h": 245.607,
    "s": 73.793,
    "l": 28.431
  },
  "oklch": {
    "l": 0.29942,
    "c": 0.16592,
    "h": 273.9
  },
  "luminance": 0.02233
}

Semantic roles & 50–950 ramp

primary

#1D137E

secondary

#A8B439

accent

#F037DF

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #1D137E

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

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