#1834A0#1834A0

#1834A0 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.6% C 0.177 H 266.2°. Best body text is #FFFFFF at 10.31:1 contrast (WCAG AA passes).

Color values

HEX	#1834A0
RGB	rgb(24, 52, 160)
HSL	hsl(228, 74%, 36%)
HSV	hsv(228, 85%, 63%)
CMYK	cmyk(85%, 67.5%, 0%, 37.3%)
CIE-LAB	lab(27.26, 32.17, -60.87)
CIE-LCH	lch(27.26, 68.85, 297.85°)
OKLab	oklab(38.55% -0.0119 -0.1764)
OKLCH	oklch(38.55% 0.177 266.2)
XYZ	xyz(7.9476, 5.1873, 33.8332)
Luminance	0.0519 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1834A0 #A08418

analogous

#1878A0 #1834A0 #4018A0

triadic

#1834A0 #A01834 #34A018

tetradic

#1834A0 #A01878 #A08418 #18A040

square

#1834A0 #A01878 #A08418 #18A040

split-complementary

#1834A0 #A04018 #78A018

monochromatic

#081136 #10236B #1834A0 #2045D5 #4E6DE4

Accessibility & contrast

On white

10.31

#1834A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#1834A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1834A0

10.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1834A0	#FFFFFF	#000000	##FFFFFF
##1834A0	1.00	10.31	2.04	10.31
#FFFFFF	10.31	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047A3

Deuteranopia (green-blind)

#003A9E

Tritanopia (blue-blind)

#005165

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #1834a0;
/* rgb */ color: rgb(24, 52, 160);
/* oklch */ color: oklch(38.6% 0.177 266.2);

Tailwind

colors: {
  custom: {
    50: '#706bbd',
    500: '#1834a0',
    950: '#000000',
  },
}

SCSS

$custom: #1834a0;
$custom-light: #706bbd;
$custom-dark: #000000;

JSON

{
  "hex": "#1834a0",
  "rgb": {
    "r": 24,
    "g": 52,
    "b": 160
  },
  "hsl": {
    "h": 227.647,
    "s": 73.913,
    "l": 36.078
  },
  "oklch": {
    "l": 0.38552,
    "c": 0.1768,
    "h": 266.2
  },
  "luminance": 0.05188
}

Semantic roles & 50–950 ramp

primary

#1834A0

secondary

#C6AE4D

accent

#CA37F1

background

#F7F6FB

surface

#EDEBF7

border

#C8C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #1834A0

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

Preview Lab → · Contrast checker → · Palette generator →