#1C1951#1C1951

#1C1951 is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.7% C 0.099 H 279.2°. Best body text is #FFFFFF at 16.06:1 contrast (WCAG AA passes).

Color values

HEX	#1C1951
RGB	rgb(28, 25, 81)
HSL	hsl(243, 53%, 21%)
HSV	hsv(243, 69%, 32%)
CMYK	cmyk(65.4%, 69.1%, 0%, 68.2%)
CIE-LAB	lab(12.84, 20.57, -33.90)
CIE-LCH	lch(12.84, 39.65, 301.24°)
OKLab	oklab(25.71% 0.0159 -0.0975)
OKLCH	oklch(25.71% 0.099 279.2)
XYZ	xyz(2.3113, 1.5361, 7.9577)
Luminance	0.0154 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C1951 #4E5119

analogous

#193251 #1C1951 #381951

triadic

#1C1951 #511C19 #19511C

tetradic

#1C1951 #511932 #4E5119 #195138

square

#1C1951 #511932 #4E5119 #195138

split-complementary

#1C1951 #513819 #325119

monochromatic

#080717 #0C0B22 #1C1951 #2C2780 #3C36AF

Accessibility & contrast

On white

16.06

#1C1951 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#1C1951 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C1951

16.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C1951	#FFFFFF	#000000	##FFFFFF
##1C1951	1.00	16.06	1.31	16.06
#FFFFFF	16.06	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002353

Deuteranopia (green-blind)

#001F50

Tritanopia (blue-blind)

#002732

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #1c1951;
/* rgb */ color: rgb(28, 25, 81);
/* oklch */ color: oklch(25.7% 0.099 279.2);

Tailwind

colors: {
  custom: {
    50: '#5f5682',
    500: '#1c1951',
    950: '#000000',
  },
}

SCSS

$custom: #1c1951;
$custom-light: #5f5682;
$custom-dark: #000000;

JSON

{
  "hex": "#1c1951",
  "rgb": {
    "r": 28,
    "g": 25,
    "b": 81
  },
  "hsl": {
    "h": 243.214,
    "s": 52.83,
    "l": 20.784
  },
  "oklch": {
    "l": 0.25711,
    "c": 0.09883,
    "h": 279.2
  },
  "luminance": 0.01536
}

Semantic roles & 50–950 ramp

primary

#1C1951

secondary

#84873E

accent

#DC4CD4

background

#F5F5F8

surface

#EAE9EF

border

#C6C5CA

text

#05030A

muted

#79787C

Preview Lab

Preview with #1C1951

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

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