#1827A1#1827A1

#1827A1 is a dark, vivid blue. Relative luminance 0.042; OKLCH L 36.5% C 0.192 H 267.8°. Best body text is #FFFFFF at 11.39:1 contrast (WCAG AA passes).

Color values

HEX	#1827A1
RGB	rgb(24, 39, 161)
HSL	hsl(233, 74%, 36%)
HSV	hsv(233, 85%, 63%)
CMYK	cmyk(85.1%, 75.8%, 0%, 36.9%)
CIE-LAB	lab(24.38, 40.73, -66.24)
CIE-LCH	lch(24.38, 77.76, 301.59°)
OKLab	oklab(36.5% -0.0072 -0.192)
OKLCH	oklch(36.5% 0.192 267.8)
XYZ	xyz(7.5330, 4.2175, 34.1283)
Luminance	0.0422 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1827A1 #A19218

analogous

#186CA1 #1827A1 #4E18A1

triadic

#1827A1 #A11827 #27A118

tetradic

#1827A1 #A1186C #A19218 #18A14E

square

#1827A1 #A1186C #A19218 #18A14E

split-complementary

#1827A1 #A14E18 #6CA118

monochromatic

#080D36 #101A6C #1827A1 #2034D6 #4F5FE5

Accessibility & contrast

On white

11.39

#1827A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#1827A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1827A1

11.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1827A1	#FFFFFF	#000000	##FFFFFF
##1827A1	1.00	11.39	1.84	11.39
#FFFFFF	11.39	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041A5

Deuteranopia (green-blind)

#00339F

Tritanopia (blue-blind)

#004B62

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1827a1;
/* rgb */ color: rgb(24, 39, 161);
/* oklch */ color: oklch(36.5% 0.192 267.8);

Tailwind

colors: {
  custom: {
    50: '#7262be',
    500: '#1827a1',
    950: '#000000',
  },
}

SCSS

$custom: #1827a1;
$custom-light: #7262be;
$custom-dark: #000000;

JSON

{
  "hex": "#1827a1",
  "rgb": {
    "r": 24,
    "g": 39,
    "b": 161
  },
  "hsl": {
    "h": 233.431,
    "s": 74.054,
    "l": 36.275
  },
  "oklch": {
    "l": 0.365,
    "c": 0.19214,
    "h": 267.8
  },
  "luminance": 0.04218
}

Semantic roles & 50–950 ramp

primary

#1827A1

secondary

#C7BA4E

accent

#DC37F1

background

#F7F5FB

surface

#EEEAF7

border

#C9C6D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #1827A1

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

Preview Lab → · Contrast checker → · Palette generator →