#1C1561#1C1561

#1C1561 is a dark, vivid blue. Relative luminance 0.016; OKLCH L 26.7% C 0.127 H 277.5°. Best body text is #FFFFFF at 15.80:1 contrast (WCAG AA passes).

Color values

HEX	#1C1561
RGB	rgb(28, 21, 97)
HSL	hsl(246, 64%, 23%)
HSV	hsv(246, 78%, 38%)
CMYK	cmyk(71.1%, 78.4%, 0%, 62%)
CIE-LAB	lab(13.51, 29.12, -43.59)
CIE-LCH	lch(13.51, 52.42, 303.75°)
OKLab	oklab(26.7% 0.0166 -0.1259)
OKLCH	oklch(26.7% 0.127 277.5)
XYZ	xyz(2.9040, 1.6460, 11.4716)
Luminance	0.0165 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C1561 #5A6115

analogous

#153461 #1C1561 #421561

triadic

#1C1561 #611C15 #15611C

tetradic

#1C1561 #611534 #5A6115 #156142

square

#1C1561 #611534 #5A6115 #156142

split-complementary

#1C1561 #614215 #346115

monochromatic

#070519 #0D0A2F #1C1561 #2B2093 #392BC6

Accessibility & contrast

On white

15.80

#1C1561 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#1C1561 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C1561

15.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C1561	#FFFFFF	#000000	##FFFFFF
##1C1561	1.00	15.80	1.33	15.80
#FFFFFF	15.80	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002663

Deuteranopia (green-blind)

#001F60

Tritanopia (blue-blind)

#002B39

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #1c1561;
/* rgb */ color: rgb(28, 21, 97);
/* oklch */ color: oklch(26.7% 0.127 277.5);

Tailwind

colors: {
  custom: {
    50: '#63548f',
    500: '#1c1561',
    950: '#000000',
  },
}

SCSS

$custom: #1c1561;
$custom-light: #63548f;
$custom-dark: #000000;

JSON

{
  "hex": "#1c1561",
  "rgb": {
    "r": 28,
    "g": 21,
    "b": 97
  },
  "hsl": {
    "h": 245.526,
    "s": 64.407,
    "l": 23.137
  },
  "oklch": {
    "l": 0.26697,
    "c": 0.12699,
    "h": 277.5
  },
  "luminance": 0.01646
}

Semantic roles & 50–950 ramp

primary

#1C1561

secondary

#8F983A

accent

#E740D8

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06020C

muted

#7A787D

Preview Lab

Preview with #1C1561

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

Preview Lab → · Contrast checker → · Palette generator →