#1836A0#1836A0

#1836A0 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.9% C 0.174 H 265.8°. Best body text is #FFFFFF at 10.12:1 contrast (WCAG AA passes).

Color values

HEX	#1836A0
RGB	rgb(24, 54, 160)
HSL	hsl(227, 74%, 36%)
HSV	hsv(227, 85%, 63%)
CMYK	cmyk(85%, 66.3%, 0%, 37.3%)
CIE-LAB	lab(27.76, 30.84, -60.05)
CIE-LCH	lch(27.76, 67.51, 297.19°)
OKLab	oklab(38.92% -0.0128 -0.174)
OKLCH	oklch(38.92% 0.174 265.8)
XYZ	xyz(8.0388, 5.3696, 33.8636)
Luminance	0.0537 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1836A0 #A08218

analogous

#187AA0 #1836A0 #3E18A0

triadic

#1836A0 #A01836 #36A018

tetradic

#1836A0 #A0187A #A08218 #18A03E

square

#1836A0 #A0187A #A08218 #18A03E

split-complementary

#1836A0 #A03E18 #7AA018

monochromatic

#081236 #10246B #1836A0 #2048D5 #4E6FE4

Accessibility & contrast

On white

10.12

#1836A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#1836A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1836A0

10.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1836A0	#FFFFFF	#000000	##FFFFFF
##1836A0	1.00	10.12	2.07	10.12
#FFFFFF	10.12	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048A3

Deuteranopia (green-blind)

#003B9E

Tritanopia (blue-blind)

#005366

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #1836a0;
/* rgb */ color: rgb(24, 54, 160);
/* oklch */ color: oklch(38.9% 0.174 265.8);

Tailwind

colors: {
  custom: {
    50: '#706cbd',
    500: '#1836a0',
    950: '#000000',
  },
}

SCSS

$custom: #1836a0;
$custom-light: #706cbd;
$custom-dark: #000000;

JSON

{
  "hex": "#1836a0",
  "rgb": {
    "r": 24,
    "g": 54,
    "b": 160
  },
  "hsl": {
    "h": 226.765,
    "s": 73.913,
    "l": 36.078
  },
  "oklch": {
    "l": 0.3892,
    "c": 0.17445,
    "h": 265.8
  },
  "luminance": 0.05371
}

Semantic roles & 50–950 ramp

primary

#1836A0

secondary

#C6AC4D

accent

#C837F1

background

#F7F6FB

surface

#EDEBF7

border

#C8C6D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #1836A0

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

Preview Lab → · Contrast checker → · Palette generator →