#1836A1#1836A1

#1836A1 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.0% C 0.176 H 265.8°. Best body text is #FFFFFF at 10.09:1 contrast (WCAG AA passes).

Color values

HEX	#1836A1
RGB	rgb(24, 54, 161)
HSL	hsl(227, 74%, 36%)
HSV	hsv(227, 85%, 63%)
CMYK	cmyk(85.1%, 66.5%, 0%, 36.9%)
CIE-LAB	lab(27.86, 31.23, -60.50)
CIE-LCH	lch(27.86, 68.09, 297.30°)
OKLab	oklab(39.02% -0.0128 -0.1753)
OKLCH	oklch(39.02% 0.176 265.8)
XYZ	xyz(8.1266, 5.4047, 34.3262)
Luminance	0.0541 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1836A1 #A18318

analogous

#187BA1 #1836A1 #3F18A1

triadic

#1836A1 #A11836 #36A118

tetradic

#1836A1 #A1187B #A18318 #18A13F

square

#1836A1 #A1187B #A18318 #18A13F

split-complementary

#1836A1 #A13F18 #7BA118

monochromatic

#081236 #10246C #1836A1 #2048D6 #4F70E5

Accessibility & contrast

On white

10.09

#1836A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#1836A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1836A1

10.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1836A1	#FFFFFF	#000000	##FFFFFF
##1836A1	1.00	10.09	2.08	10.09
#FFFFFF	10.09	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048A4

Deuteranopia (green-blind)

#003B9F

Tritanopia (blue-blind)

#005366

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #1836a1;
/* rgb */ color: rgb(24, 54, 161);
/* oklch */ color: oklch(39.0% 0.176 265.8);

Tailwind

colors: {
  custom: {
    50: '#706dbe',
    500: '#1836a1',
    950: '#000000',
  },
}

SCSS

$custom: #1836a1;
$custom-light: #706dbe;
$custom-dark: #000000;

JSON

{
  "hex": "#1836a1",
  "rgb": {
    "r": 24,
    "g": 54,
    "b": 161
  },
  "hsl": {
    "h": 226.861,
    "s": 74.054,
    "l": 36.275
  },
  "oklch": {
    "l": 0.39019,
    "c": 0.17577,
    "h": 265.8
  },
  "luminance": 0.05406
}

Semantic roles & 50–950 ramp

primary

#1836A1

secondary

#C7AC4E

accent

#C837F1

background

#F7F6FB

surface

#EDEBF7

border

#C8C6D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #1836A1

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

Preview Lab → · Contrast checker → · Palette generator →