#1827A0#1827A0

#1827A0 is a dark, vivid blue. Relative luminance 0.042; OKLCH L 36.4% C 0.191 H 267.9°. Best body text is #FFFFFF at 11.43:1 contrast (WCAG AA passes).

Color values

HEX	#1827A0
RGB	rgb(24, 39, 160)
HSL	hsl(233, 74%, 36%)
HSV	hsv(233, 85%, 63%)
CMYK	cmyk(85%, 75.6%, 0%, 37.3%)
CIE-LAB	lab(24.27, 40.38, -65.82)
CIE-LCH	lch(24.27, 77.22, 301.53°)
OKLab	oklab(36.39% -0.0071 -0.1908)
OKLCH	oklch(36.39% 0.191 267.9)
XYZ	xyz(7.4452, 4.1824, 33.6658)
Luminance	0.0418 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1827A0 #A09118

analogous

#186BA0 #1827A0 #4D18A0

triadic

#1827A0 #A01827 #27A018

tetradic

#1827A0 #A0186B #A09118 #18A04D

square

#1827A0 #A0186B #A09118 #18A04D

split-complementary

#1827A0 #A04D18 #6BA018

monochromatic

#080D36 #101A6B #1827A0 #2034D5 #4E5FE4

Accessibility & contrast

On white

11.43

#1827A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#1827A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1827A0

11.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1827A0	#FFFFFF	#000000	##FFFFFF
##1827A0	1.00	11.43	1.84	11.43
#FFFFFF	11.43	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040A4

Deuteranopia (green-blind)

#00339E

Tritanopia (blue-blind)

#004B62

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1827a0;
/* rgb */ color: rgb(24, 39, 160);
/* oklch */ color: oklch(36.4% 0.191 267.9);

Tailwind

colors: {
  custom: {
    50: '#7162bd',
    500: '#1827a0',
    950: '#000000',
  },
}

SCSS

$custom: #1827a0;
$custom-light: #7162bd;
$custom-dark: #000000;

JSON

{
  "hex": "#1827a0",
  "rgb": {
    "r": 24,
    "g": 39,
    "b": 160
  },
  "hsl": {
    "h": 233.382,
    "s": 73.913,
    "l": 36.078
  },
  "oklch": {
    "l": 0.36387,
    "c": 0.19091,
    "h": 267.9
  },
  "luminance": 0.04183
}

Semantic roles & 50–950 ramp

primary

#1827A0

secondary

#C6B94D

accent

#DC37F1

background

#F7F5FB

surface

#EEEAF7

border

#C9C6D0

text

#090512

muted

#7B7981

Preview Lab

Preview with #1827A0

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

Preview Lab → · Contrast checker → · Palette generator →