#1D137D#1D137D

#1D137D is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.8% C 0.165 H 274.0°. Best body text is #FFFFFF at 14.57:1 contrast (WCAG AA passes).

Color values

HEX	#1D137D
RGB	rgb(29, 19, 125)
HSL	hsl(246, 74%, 28%)
HSV	hsv(246, 85%, 49%)
CMYK	cmyk(76.8%, 84.8%, 0%, 51%)
CIE-LAB	lab(16.54, 39.82, -56.81)
CIE-LCH	lch(16.54, 69.37, 305.03°)
OKLab	oklab(29.82% 0.0116 -0.1643)
OKLCH	oklch(29.82% 0.165 274)
XYZ	xyz(4.4400, 2.2072, 19.5901)
Luminance	0.0221 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D137D #737D13

analogous

#133E7D #1D137D #52137D

triadic

#1D137D #7D1D13 #137D1D

tetradic

#1D137D #7D133E #737D13 #137D52

square

#1D137D #7D133E #737D13 #137D52

split-complementary

#1D137D #7D5213 #3E7D13

monochromatic

#06041B #110B48 #1D137D #291BB2 #3C2CDF

Accessibility & contrast

On white

14.57

#1D137D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#1D137D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D137D

14.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D137D	#FFFFFF	#000000	##FFFFFF
##1D137D	1.00	14.57	1.44	14.57
#FFFFFF	14.57	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E80

Deuteranopia (green-blind)

#00247B

Tritanopia (blue-blind)

#003549

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #1d137d;
/* rgb */ color: rgb(29, 19, 125);
/* oklch */ color: oklch(29.8% 0.165 274.0);

Tailwind

colors: {
  custom: {
    50: '#6b54a4',
    500: '#1d137d',
    950: '#000000',
  },
}

SCSS

$custom: #1d137d;
$custom-light: #6b54a4;
$custom-dark: #000000;

JSON

{
  "hex": "#1d137d",
  "rgb": {
    "r": 29,
    "g": 19,
    "b": 125
  },
  "hsl": {
    "h": 245.66,
    "s": 73.611,
    "l": 28.235
  },
  "oklch": {
    "l": 0.29819,
    "c": 0.16469,
    "h": 274
  },
  "luminance": 0.02208
}

Semantic roles & 50–950 ramp

primary

#1D137D

secondary

#A7B339

accent

#F038DF

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #1D137D

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

Preview Lab → · Contrast checker → · Palette generator →