#1C185E#1C185E

#1C185E is a dark, moderate blue. Relative luminance 0.017; OKLCH L 26.9% C 0.119 H 277.2°. Best body text is #FFFFFF at 15.65:1 contrast (WCAG AA passes).

Color values

HEX	#1C185E
RGB	rgb(28, 24, 94)
HSL	hsl(243, 59%, 23%)
HSV	hsv(243, 74%, 37%)
CMYK	cmyk(70.2%, 74.5%, 0%, 63.1%)
CIE-LAB	lab(13.87, 26.12, -40.98)
CIE-LCH	lch(13.87, 48.60, 302.51°)
OKLab	oklab(26.86% 0.015 -0.1183)
OKLCH	oklch(26.86% 0.119 277.2)
XYZ	xyz(2.8252, 1.7081, 10.7683)
Luminance	0.0171 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C185E #5A5E18

analogous

#18375E #1C185E #3F185E

triadic

#1C185E #5E1C18 #185E1C

tetradic

#1C185E #5E1837 #5A5E18 #185E3F

square

#1C185E #5E1837 #5A5E18 #185E3F

split-complementary

#1C185E #5E3F18 #375E18

monochromatic

#070618 #0D0C2D #1C185E #2B248F #3931C0

Accessibility & contrast

On white

15.65

#1C185E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#1C185E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C185E

15.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C185E	#FFFFFF	#000000	##FFFFFF
##1C185E	1.00	15.65	1.34	15.65
#FFFFFF	15.65	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002660

Deuteranopia (green-blind)

#00205D

Tritanopia (blue-blind)

#002B39

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #1c185e;
/* rgb */ color: rgb(28, 24, 94);
/* oklch */ color: oklch(26.9% 0.119 277.2);

Tailwind

colors: {
  custom: {
    50: '#62558c',
    500: '#1c185e',
    950: '#000000',
  },
}

SCSS

$custom: #1c185e;
$custom-light: #62558c;
$custom-dark: #000000;

JSON

{
  "hex": "#1c185e",
  "rgb": {
    "r": 28,
    "g": 24,
    "b": 94
  },
  "hsl": {
    "h": 243.429,
    "s": 59.322,
    "l": 23.137
  },
  "oklch": {
    "l": 0.2686,
    "c": 0.11926,
    "h": 277.2
  },
  "luminance": 0.01708
}

Semantic roles & 50–950 ramp

primary

#1C185E

secondary

#8F943D

accent

#E345DA

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#06030C

muted

#7A787D

Preview Lab

Preview with #1C185E

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

Preview Lab → · Contrast checker → · Palette generator →