#1835A1#1835A1

#1835A1 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.8% C 0.177 H 266.0°. Best body text is #FFFFFF at 10.18:1 contrast (WCAG AA passes).

Color values

HEX	#1835A1
RGB	rgb(24, 53, 161)
HSL	hsl(227, 74%, 36%)
HSV	hsv(227, 85%, 63%)
CMYK	cmyk(85.1%, 67.1%, 0%, 36.9%)
CIE-LAB	lab(27.61, 31.89, -60.91)
CIE-LCH	lch(27.61, 68.76, 297.64°)
OKLab	oklab(38.83% -0.0123 -0.1765)
OKLCH	oklch(38.83% 0.177 266)
XYZ	xyz(8.0806, 5.3126, 34.3109)
Luminance	0.0531 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1835A1 #A18418

analogous

#187AA1 #1835A1 #4018A1

triadic

#1835A1 #A11835 #35A118

tetradic

#1835A1 #A1187A #A18418 #18A140

square

#1835A1 #A1187A #A18418 #18A140

split-complementary

#1835A1 #A14018 #7AA118

monochromatic

#081236 #10236C #1835A1 #2047D6 #4F6EE5

Accessibility & contrast

On white

10.18

#1835A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#1835A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1835A1

10.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1835A1	#FFFFFF	#000000	##FFFFFF
##1835A1	1.00	10.18	2.06	10.18
#FFFFFF	10.18	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048A4

Deuteranopia (green-blind)

#003B9F

Tritanopia (blue-blind)

#005266

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #1835a1;
/* rgb */ color: rgb(24, 53, 161);
/* oklch */ color: oklch(38.8% 0.177 266.0);

Tailwind

colors: {
  custom: {
    50: '#706cbe',
    500: '#1835a1',
    950: '#000000',
  },
}

SCSS

$custom: #1835a1;
$custom-light: #706cbe;
$custom-dark: #000000;

JSON

{
  "hex": "#1835a1",
  "rgb": {
    "r": 24,
    "g": 53,
    "b": 161
  },
  "hsl": {
    "h": 227.299,
    "s": 74.054,
    "l": 36.275
  },
  "oklch": {
    "l": 0.38835,
    "c": 0.17694,
    "h": 266
  },
  "luminance": 0.05314
}

Semantic roles & 50–950 ramp

primary

#1835A1

secondary

#C7AD4E

accent

#C937F1

background

#F7F6FB

surface

#EDEBF7

border

#C8C6D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #1835A1

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

Preview Lab → · Contrast checker → · Palette generator →