#1834A1#1834A1

#1834A1 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.7% C 0.178 H 266.2°. Best body text is #FFFFFF at 10.27:1 contrast (WCAG AA passes).

Color values

HEX	#1834A1
RGB	rgb(24, 52, 161)
HSL	hsl(228, 74%, 36%)
HSV	hsv(228, 85%, 63%)
CMYK	cmyk(85.1%, 67.7%, 0%, 36.9%)
CIE-LAB	lab(27.36, 32.55, -61.32)
CIE-LCH	lch(27.36, 69.43, 297.96°)
OKLab	oklab(38.65% -0.0119 -0.1777)
OKLCH	oklch(38.65% 0.178 266.2)
XYZ	xyz(8.0354, 5.2224, 34.2958)
Luminance	0.0522 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1834A1 #A18518

analogous

#1879A1 #1834A1 #4118A1

triadic

#1834A1 #A11834 #34A118

tetradic

#1834A1 #A11879 #A18518 #18A141

square

#1834A1 #A11879 #A18518 #18A141

split-complementary

#1834A1 #A14118 #79A118

monochromatic

#081236 #10236C #1834A1 #2045D6 #4F6DE5

Accessibility & contrast

On white

10.27

#1834A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#1834A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1834A1

10.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1834A1	#FFFFFF	#000000	##FFFFFF
##1834A1	1.00	10.27	2.04	10.27
#FFFFFF	10.27	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047A4

Deuteranopia (green-blind)

#003A9F

Tritanopia (blue-blind)

#005266

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #1834a1;
/* rgb */ color: rgb(24, 52, 161);
/* oklch */ color: oklch(38.7% 0.178 266.2);

Tailwind

colors: {
  custom: {
    50: '#706bbe',
    500: '#1834a1',
    950: '#000000',
  },
}

SCSS

$custom: #1834a1;
$custom-light: #706bbe;
$custom-dark: #000000;

JSON

{
  "hex": "#1834a1",
  "rgb": {
    "r": 24,
    "g": 52,
    "b": 161
  },
  "hsl": {
    "h": 227.737,
    "s": 74.054,
    "l": 36.275
  },
  "oklch": {
    "l": 0.38653,
    "c": 0.17811,
    "h": 266.2
  },
  "luminance": 0.05223
}

Semantic roles & 50–950 ramp

primary

#1834A1

secondary

#C7AE4E

accent

#CB37F1

background

#F7F6FB

surface

#EDEBF7

border

#C8C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #1834A1

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

Preview Lab → · Contrast checker → · Palette generator →