#1C1989#1C1989

#1C1989 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.9% C 0.175 H 271.7°. Best body text is #FFFFFF at 13.55:1 contrast (WCAG AA passes).

Color values

HEX	#1C1989
RGB	rgb(28, 25, 137)
HSL	hsl(242, 69%, 32%)
HSV	hsv(242, 82%, 54%)
CMYK	cmyk(79.6%, 81.8%, 0%, 46.3%)
CIE-LAB	lab(19.00, 40.63, -60.31)
CIE-LCH	lch(19.00, 72.72, 303.97°)
OKLab	oklab(31.94% 0.0053 -0.1746)
OKLCH	oklch(31.94% 0.175 271.7)
XYZ	xyz(5.3404, 2.7477, 23.9110)
Luminance	0.0275 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C1989 #868919

analogous

#194E89 #1C1989 #541989

triadic

#1C1989 #891C19 #19891C

tetradic

#1C1989 #89194E #868919 #198954

square

#1C1989 #89194E #868919 #198954

split-complementary

#1C1989 #895419 #4E8919

monochromatic

#070621 #111055 #1C1989 #2722BD #4440DC

Accessibility & contrast

On white

13.55

#1C1989 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#1C1989 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C1989

13.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C1989	#FFFFFF	#000000	##FFFFFF
##1C1989	1.00	13.55	1.55	13.55
#FFFFFF	13.55	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00348C

Deuteranopia (green-blind)

#002887

Tritanopia (blue-blind)

#003C51

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1c1989;
/* rgb */ color: rgb(28, 25, 137);
/* oklch */ color: oklch(31.9% 0.175 271.7);

Tailwind

colors: {
  custom: {
    50: '#6e59ad',
    500: '#1c1989',
    950: '#000000',
  },
}

SCSS

$custom: #1c1989;
$custom-light: #6e59ad;
$custom-dark: #000000;

JSON

{
  "hex": "#1c1989",
  "rgb": {
    "r": 28,
    "g": 25,
    "b": 137
  },
  "hsl": {
    "h": 241.607,
    "s": 69.136,
    "l": 31.765
  },
  "oklch": {
    "l": 0.31943,
    "c": 0.17465,
    "h": 271.7
  },
  "luminance": 0.02748
}

Semantic roles & 50–950 ramp

primary

#1C1989

secondary

#B9BC41

accent

#EC3CE7

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080310

muted

#7B787F

Preview Lab

Preview with #1C1989

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

Preview Lab → · Contrast checker → · Palette generator →