#1C1875#1C1875

#1C1875 is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.4% C 0.150 H 273.9°. Best body text is #FFFFFF at 14.62:1 contrast (WCAG AA passes).

Color values

HEX	#1C1875
RGB	rgb(28, 24, 117)
HSL	hsl(243, 66%, 28%)
HSV	hsv(243, 79%, 46%)
CMYK	cmyk(76.1%, 79.5%, 0%, 54.1%)
CIE-LAB	lab(16.43, 34.38, -51.87)
CIE-LCH	lch(16.43, 62.22, 303.54°)
OKLab	oklab(29.44% 0.0103 -0.15)
OKLCH	oklch(29.44% 0.15 273.9)
XYZ	xyz(4.0153, 2.1841, 17.0361)
Luminance	0.0218 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C1875 #717518

analogous

#184275 #1C1875 #4B1875

triadic

#1C1875 #751C18 #18751C

tetradic

#1C1875 #751842 #717518 #18754B

square

#1C1875 #751842 #717518 #18754B

split-complementary

#1C1875 #754B18 #427518

monochromatic

#060519 #100E42 #1C1875 #2822A8 #3932D5

Accessibility & contrast

On white

14.62

#1C1875 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#1C1875 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C1875

14.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C1875	#FFFFFF	#000000	##FFFFFF
##1C1875	1.00	14.62	1.44	14.62
#FFFFFF	14.62	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D78

Deuteranopia (green-blind)

#002473

Tritanopia (blue-blind)

#003446

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #1c1875;
/* rgb */ color: rgb(28, 24, 117);
/* oklch */ color: oklch(29.4% 0.150 273.9);

Tailwind

colors: {
  custom: {
    50: '#68579e',
    500: '#1c1875',
    950: '#000000',
  },
}

SCSS

$custom: #1c1875;
$custom-light: #68579e;
$custom-dark: #000000;

JSON

{
  "hex": "#1c1875",
  "rgb": {
    "r": 28,
    "g": 24,
    "b": 117
  },
  "hsl": {
    "h": 242.581,
    "s": 65.957,
    "l": 27.647
  },
  "oklch": {
    "l": 0.29438,
    "c": 0.15039,
    "h": 273.9
  },
  "luminance": 0.02184
}

Semantic roles & 50–950 ramp

primary

#1C1875

secondary

#A6AA3F

accent

#E93FE2

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1C1875

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

Preview Lab → · Contrast checker → · Palette generator →