#1839A0#1839A0

#1839A0 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.5% C 0.171 H 265.2°. Best body text is #FFFFFF at 9.85:1 contrast (WCAG AA passes).

Color values

HEX	#1839A0
RGB	rgb(24, 57, 160)
HSL	hsl(225, 74%, 36%)
HSV	hsv(225, 85%, 63%)
CMYK	cmyk(85%, 64.4%, 0%, 37.3%)
CIE-LAB	lab(28.53, 28.83, -58.79)
CIE-LCH	lch(28.53, 65.48, 296.12°)
OKLab	oklab(39.49% -0.0142 -0.1703)
OKLCH	oklch(39.49% 0.171 265.2)
XYZ	xyz(8.1827, 5.6575, 33.9116)
Luminance	0.0566 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1839A0 #A07F18

analogous

#187DA0 #1839A0 #3B18A0

triadic

#1839A0 #A01839 #39A018

tetradic

#1839A0 #A0187D #A07F18 #18A03B

square

#1839A0 #A0187D #A07F18 #18A03B

split-complementary

#1839A0 #A03B18 #7DA018

monochromatic

#081336 #10266B #1839A0 #204CD5 #4E72E4

Accessibility & contrast

On white

9.85

#1839A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#1839A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1839A0

9.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1839A0	#FFFFFF	#000000	##FFFFFF
##1839A0	1.00	9.85	2.13	9.85
#FFFFFF	9.85	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AA3

Deuteranopia (green-blind)

#003D9E

Tritanopia (blue-blind)

#005467

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1839a0;
/* rgb */ color: rgb(24, 57, 160);
/* oklch */ color: oklch(39.5% 0.171 265.2);

Tailwind

colors: {
  custom: {
    50: '#706fbd',
    500: '#1839a0',
    950: '#000000',
  },
}

SCSS

$custom: #1839a0;
$custom-light: #706fbd;
$custom-dark: #000000;

JSON

{
  "hex": "#1839a0",
  "rgb": {
    "r": 24,
    "g": 57,
    "b": 160
  },
  "hsl": {
    "h": 225.441,
    "s": 73.913,
    "l": 36.078
  },
  "oklch": {
    "l": 0.39487,
    "c": 0.17086,
    "h": 265.2
  },
  "luminance": 0.05659
}

Semantic roles & 50–950 ramp

primary

#1839A0

secondary

#C6A94D

accent

#C437F1

background

#F7F6FB

surface

#EDECF7

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #1839A0

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

Preview Lab → · Contrast checker → · Palette generator →