#1824A1#1824A1

#1824A1 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 36.1% C 0.195 H 268.1°. Best body text is #FFFFFF at 11.63:1 contrast (WCAG AA passes).

Color values

HEX	#1824A1
RGB	rgb(24, 36, 161)
HSL	hsl(235, 74%, 36%)
HSV	hsv(235, 85%, 63%)
CMYK	cmyk(85.1%, 77.6%, 0%, 36.9%)
CIE-LAB	lab(23.76, 42.47, -67.26)
CIE-LCH	lch(23.76, 79.54, 302.27°)
OKLab	oklab(36.07% -0.0065 -0.1949)
OKLCH	oklch(36.07% 0.195 268.1)
XYZ	xyz(7.4384, 4.0282, 34.0968)
Luminance	0.0403 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1824A1 #A19518

analogous

#1869A1 #1824A1 #5118A1

triadic

#1824A1 #A11824 #24A118

tetradic

#1824A1 #A11869 #A19518 #18A151

square

#1824A1 #A11869 #A19518 #18A151

split-complementary

#1824A1 #A15118 #69A118

monochromatic

#080C36 #10186C #1824A1 #2030D6 #4F5CE5

Accessibility & contrast

On white

11.63

#1824A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#1824A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1824A1

11.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1824A1	#FFFFFF	#000000	##FFFFFF
##1824A1	1.00	11.63	1.81	11.63
#FFFFFF	11.63	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003FA5

Deuteranopia (green-blind)

#00329F

Tritanopia (blue-blind)

#004A61

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1824a1;
/* rgb */ color: rgb(24, 36, 161);
/* oklch */ color: oklch(36.1% 0.195 268.1);

Tailwind

colors: {
  custom: {
    50: '#7260be',
    500: '#1824a1',
    950: '#000000',
  },
}

SCSS

$custom: #1824a1;
$custom-light: #7260be;
$custom-dark: #000000;

JSON

{
  "hex": "#1824a1",
  "rgb": {
    "r": 24,
    "g": 36,
    "b": 161
  },
  "hsl": {
    "h": 234.745,
    "s": 74.054,
    "l": 36.275
  },
  "oklch": {
    "l": 0.36065,
    "c": 0.19503,
    "h": 268.1
  },
  "luminance": 0.04029
}

Semantic roles & 50–950 ramp

primary

#1824A1

secondary

#C7BC4E

accent

#E037F1

background

#F7F5FB

surface

#EEEAF7

border

#C9C6D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #1824A1

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

Preview Lab → · Contrast checker → · Palette generator →