#1C139F#1C139F

#1C139F is a dark, highly saturated blue. Relative luminance 0.032; OKLCH L 34.0% C 0.205 H 270.3°. Best body text is #FFFFFF at 12.78:1 contrast (WCAG AA passes).

Color values

HEX	#1C139F
RGB	rgb(28, 19, 159)
HSL	hsl(244, 79%, 35%)
HSV	hsv(244, 88%, 62%)
CMYK	cmyk(82.4%, 88.1%, 0%, 37.6%)
CIE-LAB	lab(20.89, 50.27, -70.81)
CIE-LCH	lch(20.89, 86.84, 305.37°)
OKLab	oklab(34.04% 0.0012 -0.2048)
OKLCH	oklch(34.04% 0.205 270.3)
XYZ	xyz(6.9677, 3.2150, 33.0475)
Luminance	0.0322 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C139F #969F13

analogous

#13509F #1C139F #62139F

triadic

#1C139F #9F1C13 #139F1C

tetradic

#1C139F #9F1350 #969F13 #139F62

square

#1C139F #9F1350 #969F13 #139F62

split-complementary

#1C139F #9F6213 #509F13

monochromatic

#090632 #120C68 #1C139F #261AD6 #4E44E9

Accessibility & contrast

On white

12.78

#1C139F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#1C139F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C139F

12.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C139F	#FFFFFF	#000000	##FFFFFF
##1C139F	1.00	12.78	1.64	12.78
#FFFFFF	12.78	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0039A3

Deuteranopia (green-blind)

#002B9D

Tritanopia (blue-blind)

#00435D

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1c139f;
/* rgb */ color: rgb(28, 19, 159);
/* oklch */ color: oklch(34.0% 0.205 270.3);

Tailwind

colors: {
  custom: {
    50: '#7457bd',
    500: '#1c139f',
    950: '#000000',
  },
}

SCSS

$custom: #1c139f;
$custom-light: #7457bd;
$custom-dark: #000000;

JSON

{
  "hex": "#1c139f",
  "rgb": {
    "r": 28,
    "g": 19,
    "b": 159
  },
  "hsl": {
    "h": 243.857,
    "s": 78.652,
    "l": 34.902
  },
  "oklch": {
    "l": 0.34042,
    "c": 0.20482,
    "h": 270.3
  },
  "luminance": 0.03216
}

Semantic roles & 50–950 ramp

primary

#1C139F

secondary

#C1C945

accent

#F533E9

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #1C139F

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

Preview Lab → · Contrast checker → · Palette generator →