#1C1B60#1C1B60

#1C1B60 is a dark, moderate blue. Relative luminance 0.019; OKLCH L 27.6% C 0.118 H 276.0°. Best body text is #FFFFFF at 15.27:1 contrast (WCAG AA passes).

Color values

HEX	#1C1B60
RGB	rgb(28, 27, 96)
HSL	hsl(241, 56%, 24%)
HSV	hsv(241, 72%, 38%)
CMYK	cmyk(70.8%, 71.9%, 0%, 62.4%)
CIE-LAB	lab(14.82, 24.86, -40.77)
CIE-LCH	lch(14.82, 47.75, 301.37°)
OKLab	oklab(27.6% 0.0123 -0.1177)
OKLCH	oklch(27.6% 0.118 276)
XYZ	xyz(2.9815, 1.8750, 11.2689)
Luminance	0.0187 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C1B60 #5F601B

analogous

#1B3D60 #1C1B60 #3F1B60

triadic

#1C1B60 #601C1B #1B601C

tetradic

#1C1B60 #601B3D #5F601B #1B603F

square

#1C1B60 #601B3D #5F601B #1B603F

split-complementary

#1C1B60 #603F1B #3D601B

monochromatic

#070718 #0E0E30 #1C1B60 #2A2890 #3836C0

Accessibility & contrast

On white

15.27

#1C1B60 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#1C1B60 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C1B60

15.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C1B60	#FFFFFF	#000000	##FFFFFF
##1C1B60	1.00	15.27	1.38	15.27
#FFFFFF	15.27	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002862

Deuteranopia (green-blind)

#00225F

Tritanopia (blue-blind)

#002D3B

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #1c1b60;
/* rgb */ color: rgb(28, 27, 96);
/* oklch */ color: oklch(27.6% 0.118 276.0);

Tailwind

colors: {
  custom: {
    50: '#63578e',
    500: '#1c1b60',
    950: '#000000',
  },
}

SCSS

$custom: #1c1b60;
$custom-light: #63578e;
$custom-dark: #000000;

JSON

{
  "hex": "#1c1b60",
  "rgb": {
    "r": 28,
    "g": 27,
    "b": 96
  },
  "hsl": {
    "h": 240.87,
    "s": 56.098,
    "l": 24.118
  },
  "oklch": {
    "l": 0.27603,
    "c": 0.11832,
    "h": 276
  },
  "luminance": 0.01875
}

Semantic roles & 50–950 ramp

primary

#1C1B60

secondary

#949641

accent

#DF48DD

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#06030C

muted

#7A787D

Preview Lab

Preview with #1C1B60

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

Preview Lab → · Contrast checker → · Palette generator →