#1D197E#1D197E

#1D197E is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.7% C 0.161 H 273.2°. Best body text is #FFFFFF at 14.07:1 contrast (WCAG AA passes).

Color values

HEX	#1D197E
RGB	rgb(29, 25, 126)
HSL	hsl(242, 67%, 30%)
HSV	hsv(242, 80%, 49%)
CMYK	cmyk(77%, 80.2%, 0%, 50.6%)
CIE-LAB	lab(17.75, 37.00, -55.44)
CIE-LCH	lch(17.75, 66.65, 303.72°)
OKLab	oklab(30.7% 0.0091 -0.1604)
OKLCH	oklch(30.7% 0.161 273.2)
XYZ	xyz(4.6190, 2.4624, 19.9665)
Luminance	0.0246 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D197E #7A7E19

analogous

#19487E #1D197E #4F197E

triadic

#1D197E #7E1D19 #197E1D

tetradic

#1D197E #7E1948 #7A7E19 #197E4F

square

#1D197E #7E1948 #7A7E19 #197E4F

split-complementary

#1D197E #7E4F19 #487E19

monochromatic

#06051A #110F4B #1D197E #2923B1 #403AD8

Accessibility & contrast

On white

14.07

#1D197E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#1D197E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D197E

14.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D197E	#FFFFFF	#000000	##FFFFFF
##1D197E	1.00	14.07	1.49	14.07
#FFFFFF	14.07	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003081

Deuteranopia (green-blind)

#00277C

Tritanopia (blue-blind)

#00384B

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #1d197e;
/* rgb */ color: rgb(29, 25, 126);
/* oklch */ color: oklch(30.7% 0.161 273.2);

Tailwind

colors: {
  custom: {
    50: '#6b58a5',
    500: '#1d197e',
    950: '#000000',
  },
}

SCSS

$custom: #1d197e;
$custom-light: #6b58a5;
$custom-dark: #000000;

JSON

{
  "hex": "#1d197e",
  "rgb": {
    "r": 29,
    "g": 25,
    "b": 126
  },
  "hsl": {
    "h": 242.376,
    "s": 66.887,
    "l": 29.608
  },
  "oklch": {
    "l": 0.30696,
    "c": 0.16068,
    "h": 273.2
  },
  "luminance": 0.02463
}

Semantic roles & 50–950 ramp

primary

#1D197E

secondary

#AEB241

accent

#EA3EE3

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #1D197E

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

Preview Lab → · Contrast checker → · Palette generator →