#1C0F5F#1C0F5F

#1C0F5F is a dark, vivid blue. Relative luminance 0.014; OKLCH L 25.6% C 0.131 H 279.2°. Best body text is #FFFFFF at 16.37:1 contrast (WCAG AA passes).

Color values

HEX	#1C0F5F
RGB	rgb(28, 15, 95)
HSL	hsl(250, 73%, 22%)
HSV	hsv(250, 84%, 37%)
CMYK	cmyk(70.5%, 84.2%, 0%, 62.7%)
CIE-LAB	lab(12.05, 31.91, -44.65)
CIE-LCH	lch(12.05, 54.88, 305.56°)
OKLab	oklab(25.61% 0.021 -0.1289)
OKLCH	oklch(25.61% 0.131 279.2)
XYZ	xyz(2.7146, 1.4145, 10.9542)
Luminance	0.0141 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C0F5F #525F0F

analogous

#0F2A5F #1C0F5F #440F5F

triadic

#1C0F5F #5F1C0F #0F5F1C

tetradic

#1C0F5F #5F0F2A #525F0F #0F5F44

square

#1C0F5F #5F0F2A #525F0F #0F5F44

split-complementary

#1C0F5F #5F440F #2A5F0F

monochromatic

#08041A #0C072A #1C0F5F #2C1794 #3B20C9

Accessibility & contrast

On white

16.37

#1C0F5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#1C0F5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C0F5F

16.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C0F5F	#FFFFFF	#000000	##FFFFFF
##1C0F5F	1.00	16.37	1.28	16.37
#FFFFFF	16.37	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002361

Deuteranopia (green-blind)

#001C5E

Tritanopia (blue-blind)

#002737

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #1c0f5f;
/* rgb */ color: rgb(28, 15, 95);
/* oklch */ color: oklch(25.6% 0.131 279.2);

Tailwind

colors: {
  custom: {
    50: '#64508d',
    500: '#1c0f5f',
    950: '#000000',
  },
}

SCSS

$custom: #1c0f5f;
$custom-light: #64508d;
$custom-dark: #000000;

JSON

{
  "hex": "#1c0f5f",
  "rgb": {
    "r": 28,
    "g": 15,
    "b": 95
  },
  "hsl": {
    "h": 249.75,
    "s": 72.727,
    "l": 21.569
  },
  "oklch": {
    "l": 0.25607,
    "c": 0.13063,
    "h": 279.2
  },
  "luminance": 0.01415
}

Semantic roles & 50–950 ramp

primary

#1C0F5F

secondary

#889832

accent

#EF38D2

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06020C

muted

#7A787D

Preview Lab

Preview with #1C0F5F

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

Preview Lab → · Contrast checker → · Palette generator →