#1C1575#1C1575

#1C1575 is a dark, vivid blue. Relative luminance 0.021; OKLCH L 29.0% C 0.153 H 274.4°. Best body text is #FFFFFF at 14.86:1 contrast (WCAG AA passes).

Color values

HEX	#1C1575
RGB	rgb(28, 21, 117)
HSL	hsl(244, 70%, 27%)
HSV	hsv(244, 82%, 46%)
CMYK	cmyk(76.1%, 82.1%, 0%, 54.1%)
CIE-LAB	lab(15.84, 36.07, -52.84)
CIE-LCH	lch(15.84, 63.98, 304.32°)
OKLab	oklab(29.02% 0.0117 -0.1528)
OKLCH	oklch(29.02% 0.153 274.4)
XYZ	xyz(3.9569, 2.0672, 17.0166)
Luminance	0.0207 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C1575 #6E7515

analogous

#153E75 #1C1575 #4C1575

triadic

#1C1575 #751C15 #15751C

tetradic

#1C1575 #75153E #6E7515 #15754C

square

#1C1575 #75153E #6E7515 #15754C

split-complementary

#1C1575 #754C15 #3E7515

monochromatic

#06051A #100C41 #1C1575 #281EA9 #382BD9

Accessibility & contrast

On white

14.86

#1C1575 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#1C1575 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C1575

14.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C1575	#FFFFFF	#000000	##FFFFFF
##1C1575	1.00	14.86	1.41	14.86
#FFFFFF	14.86	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C78

Deuteranopia (green-blind)

#002373

Tritanopia (blue-blind)

#003245

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #1c1575;
/* rgb */ color: rgb(28, 21, 117);
/* oklch */ color: oklch(29.0% 0.153 274.4);

Tailwind

colors: {
  custom: {
    50: '#69559e',
    500: '#1c1575',
    950: '#000000',
  },
}

SCSS

$custom: #1c1575;
$custom-light: #69559e;
$custom-dark: #000000;

JSON

{
  "hex": "#1c1575",
  "rgb": {
    "r": 28,
    "g": 21,
    "b": 117
  },
  "hsl": {
    "h": 244.375,
    "s": 69.565,
    "l": 27.059
  },
  "oklch": {
    "l": 0.29024,
    "c": 0.15327,
    "h": 274.4
  },
  "luminance": 0.02068
}

Semantic roles & 50–950 ramp

primary

#1C1575

secondary

#A3AB3B

accent

#EC3BDF

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1C1575

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

Preview Lab → · Contrast checker → · Palette generator →