#1D137C#1D137C

#1D137C is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.7% C 0.163 H 274.2°. Best body text is #FFFFFF at 14.62:1 contrast (WCAG AA passes).

Color values

HEX	#1D137C
RGB	rgb(29, 19, 124)
HSL	hsl(246, 73%, 28%)
HSV	hsv(246, 85%, 49%)
CMYK	cmyk(76.6%, 84.7%, 0%, 51.4%)
CIE-LAB	lab(16.41, 39.50, -56.38)
CIE-LCH	lch(16.41, 68.84, 305.02°)
OKLab	oklab(29.7% 0.0119 -0.163)
OKLCH	oklch(29.7% 0.163 274.2)
XYZ	xyz(4.3765, 2.1817, 19.2553)
Luminance	0.0218 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D137C #727C13

analogous

#133D7C #1D137C #51137C

triadic

#1D137C #7C1D13 #137C1D

tetradic

#1D137C #7C133D #727C13 #137C51

square

#1D137C #7C133D #727C13 #137C51

split-complementary

#1D137C #7C5113 #3D7C13

monochromatic

#06041B #110B47 #1D137C #291BB1 #3C2BDF

Accessibility & contrast

On white

14.62

#1D137C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#1D137C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D137C

14.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D137C	#FFFFFF	#000000	##FFFFFF
##1D137C	1.00	14.62	1.44	14.62
#FFFFFF	14.62	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D7F

Deuteranopia (green-blind)

#00247A

Tritanopia (blue-blind)

#003449

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #1d137c;
/* rgb */ color: rgb(29, 19, 124);
/* oklch */ color: oklch(29.7% 0.163 274.2);

Tailwind

colors: {
  custom: {
    50: '#6b54a3',
    500: '#1d137c',
    950: '#000000',
  },
}

SCSS

$custom: #1d137c;
$custom-light: #6b54a3;
$custom-dark: #000000;

JSON

{
  "hex": "#1d137c",
  "rgb": {
    "r": 29,
    "g": 19,
    "b": 124
  },
  "hsl": {
    "h": 245.714,
    "s": 73.427,
    "l": 28.039
  },
  "oklch": {
    "l": 0.29696,
    "c": 0.16347,
    "h": 274.2
  },
  "luminance": 0.02182
}

Semantic roles & 50–950 ramp

primary

#1D137C

secondary

#A6B239

accent

#F038DF

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #1D137C

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

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