#1C139A#1C139A

#1C139A is a dark, vivid blue. Relative luminance 0.030; OKLCH L 33.4% C 0.199 H 270.7°. Best body text is #FFFFFF at 13.05:1 contrast (WCAG AA passes).

Color values

HEX	#1C139A
RGB	rgb(28, 19, 154)
HSL	hsl(244, 78%, 34%)
HSV	hsv(244, 88%, 60%)
CMYK	cmyk(81.8%, 87.7%, 0%, 39.6%)
CIE-LAB	lab(20.22, 48.78, -68.85)
CIE-LCH	lch(20.22, 84.38, 305.32°)
OKLab	oklab(33.4% 0.0025 -0.1991)
OKLCH	oklch(33.4% 0.199 270.7)
XYZ	xyz(6.5425, 3.0450, 30.8085)
Luminance	0.0305 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C139A #919A13

analogous

#134E9A #1C139A #60139A

triadic

#1C139A #9A1C13 #139A1C

tetradic

#1C139A #9A134E #919A13 #139A60

square

#1C139A #9A134E #919A13 #139A60

split-complementary

#1C139A #9A6013 #4E9A13

monochromatic

#08062D #120C64 #1C139A #261AD0 #4B40E7

Accessibility & contrast

On white

13.05

#1C139A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#1C139A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C139A

13.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C139A	#FFFFFF	#000000	##FFFFFF
##1C139A	1.00	13.05	1.61	13.05
#FFFFFF	13.05	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00379E

Deuteranopia (green-blind)

#002A98

Tritanopia (blue-blind)

#00415A

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1c139a;
/* rgb */ color: rgb(28, 19, 154);
/* oklch */ color: oklch(33.4% 0.199 270.7);

Tailwind

colors: {
  custom: {
    50: '#7357b9',
    500: '#1c139a',
    950: '#000000',
  },
}

SCSS

$custom: #1c139a;
$custom-light: #7357b9;
$custom-dark: #000000;

JSON

{
  "hex": "#1c139a",
  "rgb": {
    "r": 28,
    "g": 19,
    "b": 154
  },
  "hsl": {
    "h": 244,
    "s": 78.035,
    "l": 33.922
  },
  "oklch": {
    "l": 0.33403,
    "c": 0.19917,
    "h": 270.7
  },
  "luminance": 0.03046
}

Semantic roles & 50–950 ramp

primary

#1C139A

secondary

#BEC741

accent

#F533E8

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0312

muted

#7C7881

Preview Lab

Preview with #1C139A

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

Preview Lab → · Contrast checker → · Palette generator →