#1D166F#1D166F

#1D166F is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.5% C 0.144 H 275.6°. Best body text is #FFFFFF at 15.04:1 contrast (WCAG AA passes).

Color values

HEX	#1D166F
RGB	rgb(29, 22, 111)
HSL	hsl(245, 67%, 26%)
HSV	hsv(245, 80%, 44%)
CMYK	cmyk(73.9%, 80.2%, 0%, 56.5%)
CIE-LAB	lab(15.39, 33.55, -49.68)
CIE-LCH	lch(15.39, 59.95, 304.03°)
OKLab	oklab(28.53% 0.0141 -0.1436)
OKLCH	oklch(28.53% 0.144 275.6)
XYZ	xyz(3.6619, 1.9824, 15.2255)
Luminance	0.0198 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D166F #686F16

analogous

#163B6F #1D166F #49166F

triadic

#1D166F #6F1D16 #166F1D

tetradic

#1D166F #6F163B #686F16 #166F49

square

#1D166F #6F163B #686F16 #166F49

split-complementary

#1D166F #6F4916 #3B6F16

monochromatic

#07051A #100C3C #1D166F #2A20A2 #382BD5

Accessibility & contrast

On white

15.04

#1D166F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#1D166F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D166F

15.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D166F	#FFFFFF	#000000	##FFFFFF
##1D166F	1.00	15.04	1.40	15.04
#FFFFFF	15.04	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A72

Deuteranopia (green-blind)

#00226D

Tritanopia (blue-blind)

#003042

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #1d166f;
/* rgb */ color: rgb(29, 22, 111);
/* oklch */ color: oklch(28.5% 0.144 275.6);

Tailwind

colors: {
  custom: {
    50: '#675599',
    500: '#1d166f',
    950: '#000000',
  },
}

SCSS

$custom: #1d166f;
$custom-light: #675599;
$custom-dark: #000000;

JSON

{
  "hex": "#1d166f",
  "rgb": {
    "r": 29,
    "g": 22,
    "b": 111
  },
  "hsl": {
    "h": 244.719,
    "s": 66.917,
    "l": 26.078
  },
  "oklch": {
    "l": 0.28525,
    "c": 0.14433,
    "h": 275.6
  },
  "luminance": 0.01983
}

Semantic roles & 50–950 ramp

primary

#1D166F

secondary

#9DA53C

accent

#EA3EDC

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1D166F

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

Preview Lab → · Contrast checker → · Palette generator →