#1D20A6#1D20A6

#1D20A6 is a dark, highly saturated blue. Relative luminance 0.040; OKLCH L 36.3% C 0.203 H 269.5°. Best body text is #FFFFFF at 11.61:1 contrast (WCAG AA passes).

Color values

HEX	#1D20A6
RGB	rgb(29, 32, 166)
HSL	hsl(239, 70%, 38%)
HSV	hsv(239, 83%, 65%)
CMYK	cmyk(82.5%, 80.7%, 0%, 34.9%)
CIE-LAB	lab(23.82, 46.58, -70.19)
CIE-LCH	lch(23.82, 84.24, 303.57°)
OKLab	oklab(36.34% -0.0016 -0.2033)
OKLCH	oklch(36.34% 0.203 269.5)
XYZ	xyz(7.9038, 4.0465, 36.4335)
Luminance	0.0405 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D20A6 #A6A31D

analogous

#1D64A6 #1D20A6 #5E1DA6

triadic

#1D20A6 #A61D20 #20A61D

tetradic

#1D20A6 #A61D64 #A6A31D #1DA65E

square

#1D20A6 #A61D64 #A6A31D #1DA65E

split-complementary

#1D20A6 #A65E1D #64A61D

monochromatic

#0B0C3E #141672 #1D20A6 #272BD9 #5B5EE2

Accessibility & contrast

On white

11.61

#1D20A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#1D20A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D20A6

11.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D20A6	#FFFFFF	#000000	##FFFFFF
##1D20A6	1.00	11.61	1.81	11.61
#FFFFFF	11.61	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040AA

Deuteranopia (green-blind)

#0031A4

Tritanopia (blue-blind)

#004A63

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1d20a6;
/* rgb */ color: rgb(29, 32, 166);
/* oklch */ color: oklch(36.3% 0.203 269.5);

Tailwind

colors: {
  custom: {
    50: '#755fc2',
    500: '#1d20a6',
    950: '#000000',
  },
}

SCSS

$custom: #1d20a6;
$custom-light: #755fc2;
$custom-dark: #000000;

JSON

{
  "hex": "#1d20a6",
  "rgb": {
    "r": 29,
    "g": 32,
    "b": 166
  },
  "hsl": {
    "h": 238.686,
    "s": 70.256,
    "l": 38.235
  },
  "oklch": {
    "l": 0.3634,
    "c": 0.20328,
    "h": 269.5
  },
  "luminance": 0.04047
}

Semantic roles & 50–950 ramp

primary

#1D20A6

secondary

#C6C459

accent

#E93BED

background

#F7F5FC

surface

#EEE9F8

border

#C9C5D1

text

#0A0513

muted

#7C7982

Preview Lab

Preview with #1D20A6

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

Preview Lab → · Contrast checker → · Palette generator →