#1C166D#1C166D

#1C166D is a dark, vivid blue. Relative luminance 0.019; OKLCH L 28.2% C 0.142 H 275.3°. Best body text is #FFFFFF at 15.16:1 contrast (WCAG AA passes).

Color values

HEX	#1C166D
RGB	rgb(28, 22, 109)
HSL	hsl(244, 66%, 26%)
HSV	hsv(244, 80%, 43%)
CMYK	cmyk(74.3%, 79.8%, 0%, 57.3%)
CIE-LAB	lab(15.09, 32.75, -48.89)
CIE-LCH	lch(15.09, 58.85, 303.82°)
OKLab	oklab(28.22% 0.0132 -0.1414)
OKLCH	oklch(28.22% 0.142 275.3)
XYZ	xyz(3.5252, 1.9245, 14.6507)
Luminance	0.0192 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C166D #676D16

analogous

#163B6D #1C166D #47166D

triadic

#1C166D #6D1C16 #166D1C

tetradic

#1C166D #6D163B #676D16 #166D47

square

#1C166D #6D163B #676D16 #166D47

split-complementary

#1C166D #6D4716 #3B6D16

monochromatic

#070519 #0F0C3A #1C166D #2920A0 #362BD3

Accessibility & contrast

On white

15.16

#1C166D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#1C166D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C166D

15.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C166D	#FFFFFF	#000000	##FFFFFF
##1C166D	1.00	15.16	1.39	15.16
#FFFFFF	15.16	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A6F

Deuteranopia (green-blind)

#00226B

Tritanopia (blue-blind)

#003041

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #1c166d;
/* rgb */ color: rgb(28, 22, 109);
/* oklch */ color: oklch(28.2% 0.142 275.3);

Tailwind

colors: {
  custom: {
    50: '#665598',
    500: '#1c166d',
    950: '#000000',
  },
}

SCSS

$custom: #1c166d;
$custom-light: #665598;
$custom-dark: #000000;

JSON

{
  "hex": "#1c166d",
  "rgb": {
    "r": 28,
    "g": 22,
    "b": 109
  },
  "hsl": {
    "h": 244.138,
    "s": 66.412,
    "l": 25.686
  },
  "oklch": {
    "l": 0.28219,
    "c": 0.14197,
    "h": 275.3
  },
  "luminance": 0.01925
}

Semantic roles & 50–950 ramp

primary

#1C166D

secondary

#9CA33C

accent

#E93EDE

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1C166D

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

Preview Lab → · Contrast checker → · Palette generator →