#1C166E#1C166E

#1C166E is a dark, vivid blue. Relative luminance 0.019; OKLCH L 28.3% C 0.143 H 275.2°. Best body text is #FFFFFF at 15.12:1 contrast (WCAG AA passes).

Color values

HEX	#1C166E
RGB	rgb(28, 22, 110)
HSL	hsl(244, 67%, 26%)
HSV	hsv(244, 80%, 43%)
CMYK	cmyk(74.5%, 80%, 0%, 56.9%)
CIE-LAB	lab(15.20, 33.10, -49.35)
CIE-LCH	lch(15.20, 59.42, 303.85°)
OKLab	oklab(28.34% 0.0129 -0.1427)
OKLCH	oklch(28.34% 0.143 275.2)
XYZ	xyz(3.5793, 1.9461, 14.9358)
Luminance	0.0195 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C166E #686E16

analogous

#163C6E #1C166E #48166E

triadic

#1C166E #6E1C16 #166E1C

tetradic

#1C166E #6E163C #686E16 #166E48

square

#1C166E #6E163C #686E16 #166E48

split-complementary

#1C166E #6E4816 #3C6E16

monochromatic

#06051A #0F0C3B #1C166E #2920A1 #362AD4

Accessibility & contrast

On white

15.12

#1C166E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#1C166E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C166E

15.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C166E	#FFFFFF	#000000	##FFFFFF
##1C166E	1.00	15.12	1.39	15.12
#FFFFFF	15.12	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A71

Deuteranopia (green-blind)

#00226C

Tritanopia (blue-blind)

#003041

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #1c166e;
/* rgb */ color: rgb(28, 22, 110);
/* oklch */ color: oklch(28.3% 0.143 275.2);

Tailwind

colors: {
  custom: {
    50: '#675599',
    500: '#1c166e',
    950: '#000000',
  },
}

SCSS

$custom: #1c166e;
$custom-light: #675599;
$custom-dark: #000000;

JSON

{
  "hex": "#1c166e",
  "rgb": {
    "r": 28,
    "g": 22,
    "b": 110
  },
  "hsl": {
    "h": 244.091,
    "s": 66.667,
    "l": 25.882
  },
  "oklch": {
    "l": 0.28336,
    "c": 0.14329,
    "h": 275.2
  },
  "luminance": 0.01946
}

Semantic roles & 50–950 ramp

primary

#1C166E

secondary

#9DA43C

accent

#EA3EDE

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1C166E

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

Preview Lab → · Contrast checker → · Palette generator →