#1841A1#1841A1

#1841A1 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.2% C 0.162 H 263.4°. Best body text is #FFFFFF at 9.09:1 contrast (WCAG AA passes).

Color values

HEX	#1841A1
RGB	rgb(24, 65, 161)
HSL	hsl(222, 74%, 36%)
HSV	hsv(222, 85%, 63%)
CMYK	cmyk(85.1%, 59.6%, 0%, 36.9%)
CIE-LAB	lab(30.75, 23.80, -55.76)
CIE-LCH	lch(30.75, 60.63, 293.11°)
OKLab	oklab(41.17% -0.0186 -0.1613)
OKLCH	oklch(41.17% 0.162 263.4)
XYZ	xyz(8.6977, 6.5469, 34.5166)
Luminance	0.0655 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1841A1 #A17818

analogous

#1886A1 #1841A1 #3418A1

triadic

#1841A1 #A11841 #41A118

tetradic

#1841A1 #A11886 #A17818 #18A134

square

#1841A1 #A11886 #A17818 #18A134

split-complementary

#1841A1 #A13418 #86A118

monochromatic

#081636 #102B6C #1841A1 #2057D6 #4F7CE5

Accessibility & contrast

On white

9.09

#1841A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#1841A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1841A1

9.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1841A1	#FFFFFF	#000000	##FFFFFF
##1841A1	1.00	9.09	2.31	9.09
#FFFFFF	9.09	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FA4

Deuteranopia (green-blind)

#00429F

Tritanopia (blue-blind)

#005A6A

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1841a1;
/* rgb */ color: rgb(24, 65, 161);
/* oklch */ color: oklch(41.2% 0.162 263.4);

Tailwind

colors: {
  custom: {
    50: '#6f75be',
    500: '#1841a1',
    950: '#000000',
  },
}

SCSS

$custom: #1841a1;
$custom-light: #6f75be;
$custom-dark: #000000;

JSON

{
  "hex": "#1841a1",
  "rgb": {
    "r": 24,
    "g": 65,
    "b": 161
  },
  "hsl": {
    "h": 222.044,
    "s": 74.054,
    "l": 36.275
  },
  "oklch": {
    "l": 0.41168,
    "c": 0.16235,
    "h": 263.4
  },
  "luminance": 0.06548
}

Semantic roles & 50–950 ramp

primary

#1841A1

secondary

#C7A34E

accent

#B937F1

background

#F7F7FB

surface

#EDEDF7

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #1841A1

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

Preview Lab → · Contrast checker → · Palette generator →