#1D16A0#1D16A0

#1D16A0 is a dark, highly saturated blue. Relative luminance 0.034; OKLCH L 34.5% C 0.204 H 270.5°. Best body text is #FFFFFF at 12.54:1 contrast (WCAG AA passes).

Color values

HEX	#1D16A0
RGB	rgb(29, 22, 160)
HSL	hsl(243, 76%, 36%)
HSV	hsv(243, 86%, 63%)
CMYK	cmyk(81.9%, 86.3%, 0%, 37.3%)
CIE-LAB	lab(21.48, 49.40, -70.44)
CIE-LCH	lch(21.48, 86.03, 305.04°)
OKLab	oklab(34.5% 0.0017 -0.2038)
OKLCH	oklch(34.5% 0.204 270.5)
XYZ	xyz(7.1366, 3.3723, 33.5257)
Luminance	0.0337 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D16A0 #99A016

analogous

#1654A0 #1D16A0 #6216A0

triadic

#1D16A0 #A01D16 #16A01D

tetradic

#1D16A0 #A01654 #99A016 #16A062

square

#1D16A0 #A01654 #99A016 #16A062

split-complementary

#1D16A0 #A06216 #54A016

monochromatic

#090734 #130F6A #1D16A0 #271DD6 #524AE6

Accessibility & contrast

On white

12.54

#1D16A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#1D16A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D16A0

12.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D16A0	#FFFFFF	#000000	##FFFFFF
##1D16A0	1.00	12.54	1.67	12.54
#FFFFFF	12.54	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003AA4

Deuteranopia (green-blind)

#002C9E

Tritanopia (blue-blind)

#00445E

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1d16a0;
/* rgb */ color: rgb(29, 22, 160);
/* oklch */ color: oklch(34.5% 0.204 270.5);

Tailwind

colors: {
  custom: {
    50: '#7459be',
    500: '#1d16a0',
    950: '#000000',
  },
}

SCSS

$custom: #1d16a0;
$custom-light: #7459be;
$custom-dark: #000000;

JSON

{
  "hex": "#1d16a0",
  "rgb": {
    "r": 29,
    "g": 22,
    "b": 160
  },
  "hsl": {
    "h": 243.043,
    "s": 75.824,
    "l": 35.686
  },
  "oklch": {
    "l": 0.34499,
    "c": 0.2038,
    "h": 270.5
  },
  "luminance": 0.03373
}

Semantic roles & 50–950 ramp

primary

#1D16A0

secondary

#C1C84A

accent

#F235E9

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #1D16A0

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

Preview Lab → · Contrast checker → · Palette generator →