#1D197D#1D197D

#1D197D is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.6% C 0.159 H 273.4°. Best body text is #FFFFFF at 14.12:1 contrast (WCAG AA passes).

Color values

HEX	#1D197D
RGB	rgb(29, 25, 125)
HSL	hsl(242, 67%, 29%)
HSV	hsv(242, 80%, 49%)
CMYK	cmyk(76.8%, 80%, 0%, 51%)
CIE-LAB	lab(17.63, 36.66, -55.00)
CIE-LCH	lch(17.63, 66.09, 303.68°)
OKLab	oklab(30.58% 0.0093 -0.1591)
OKLCH	oklch(30.58% 0.159 273.4)
XYZ	xyz(4.5548, 2.4367, 19.6283)
Luminance	0.0244 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D197D #797D19

analogous

#19477D #1D197D #4F197D

triadic

#1D197D #7D1D19 #197D1D

tetradic

#1D197D #7D1947 #797D19 #197D4F

square

#1D197D #7D1947 #797D19 #197D4F

split-complementary

#1D197D #7D4F19 #477D19

monochromatic

#06051A #110F4A #1D197D #2923B0 #3F39D7

Accessibility & contrast

On white

14.12

#1D197D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#1D197D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D197D

14.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D197D	#FFFFFF	#000000	##FFFFFF
##1D197D	1.00	14.12	1.49	14.12
#FFFFFF	14.12	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003080

Deuteranopia (green-blind)

#00267B

Tritanopia (blue-blind)

#00374A

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #1d197d;
/* rgb */ color: rgb(29, 25, 125);
/* oklch */ color: oklch(30.6% 0.159 273.4);

Tailwind

colors: {
  custom: {
    50: '#6b58a4',
    500: '#1d197d',
    950: '#000000',
  },
}

SCSS

$custom: #1d197d;
$custom-light: #6b58a4;
$custom-dark: #000000;

JSON

{
  "hex": "#1d197d",
  "rgb": {
    "r": 29,
    "g": 25,
    "b": 125
  },
  "hsl": {
    "h": 242.4,
    "s": 66.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.30579,
    "c": 0.1594,
    "h": 273.4
  },
  "luminance": 0.02437
}

Semantic roles & 50–950 ramp

primary

#1D197D

secondary

#ADB140

accent

#EA3EE3

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08030F

muted

#7A787F

Preview Lab

Preview with #1D197D

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

Preview Lab → · Contrast checker → · Palette generator →