#1C116E#1C116E

#1C116E is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.7% C 0.148 H 275.9°. Best body text is #FFFFFF at 15.50:1 contrast (WCAG AA passes).

Color values

HEX	#1C116E
RGB	rgb(28, 17, 110)
HSL	hsl(247, 73%, 25%)
HSV	hsv(247, 85%, 43%)
CMYK	cmyk(74.5%, 84.5%, 0%, 56.9%)
CIE-LAB	lab(14.25, 35.85, -50.93)
CIE-LCH	lch(14.25, 62.28, 305.14°)
OKLab	oklab(27.67% 0.0153 -0.1472)
OKLCH	oklch(27.67% 0.148 275.9)
XYZ	xyz(3.4929, 1.7732, 14.9070)
Luminance	0.0177 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C116E #636E11

analogous

#11346E #1C116E #4B116E

triadic

#1C116E #6E1C11 #116E1C

tetradic

#1C116E #6E1134 #636E11 #116E4B

square

#1C116E #6E1134 #636E11 #116E4B

split-complementary

#1C116E #6E4B11 #346E11

monochromatic

#07041B #0F0939 #1C116E #2919A3 #3721D8

Accessibility & contrast

On white

15.50

#1C116E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#1C116E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C116E

15.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C116E	#FFFFFF	#000000	##FFFFFF
##1C116E	1.00	15.50	1.35	15.50
#FFFFFF	15.50	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002871

Deuteranopia (green-blind)

#00206C

Tritanopia (blue-blind)

#002E40

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #1c116e;
/* rgb */ color: rgb(28, 17, 110);
/* oklch */ color: oklch(27.7% 0.148 275.9);

Tailwind

colors: {
  custom: {
    50: '#675299',
    500: '#1c116e',
    950: '#000000',
  },
}

SCSS

$custom: #1c116e;
$custom-light: #675299;
$custom-dark: #000000;

JSON

{
  "hex": "#1c116e",
  "rgb": {
    "r": 28,
    "g": 17,
    "b": 110
  },
  "hsl": {
    "h": 247.097,
    "s": 73.228,
    "l": 24.902
  },
  "oklch": {
    "l": 0.2767,
    "c": 0.14801,
    "h": 275.9
  },
  "luminance": 0.01774
}

Semantic roles & 50–950 ramp

primary

#1C116E

secondary

#98A535

accent

#F038DA

background

#F6F4F9

surface

#EBE7F2

border

#C6C3CC

text

#07020E

muted

#7A787E

Preview Lab

Preview with #1C116E

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

Preview Lab → · Contrast checker → · Palette generator →