#1848B4#1848B4

#1848B4 is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.3% C 0.179 H 263.0°. Best body text is #FFFFFF at 8.00:1 contrast (WCAG AA passes).

Color values

HEX	#1848B4
RGB	rgb(24, 72, 180)
HSL	hsl(222, 76%, 40%)
HSV	hsv(222, 87%, 71%)
CMYK	cmyk(86.7%, 60%, 0%, 29.4%)
CIE-LAB	lab(34.24, 26.60, -61.43)
CIE-LCH	lch(34.24, 66.94, 293.41°)
OKLab	oklab(44.28% -0.0217 -0.1778)
OKLCH	oklch(44.28% 0.179 263)
XYZ	xyz(10.9293, 8.1228, 44.1630)
Luminance	0.0812 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1848B4 #B48418

analogous

#1896B4 #1848B4 #3618B4

triadic

#1848B4 #B41848 #48B418

tetradic

#1848B4 #B41896 #B48418 #18B436

square

#1848B4 #B41896 #B48418 #18B436

split-complementary

#1848B4 #B43618 #96B418

monochromatic

#0A1D48 #11327E #1848B4 #2761E2 #5D88E9

Accessibility & contrast

On white

8.00

#1848B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#1848B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1848B4

8.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1848B4	#FFFFFF	#000000	##FFFFFF
##1848B4	1.00	8.00	2.62	8.00
#FFFFFF	8.00	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058B8

Deuteranopia (green-blind)

#004AB2

Tritanopia (blue-blind)

#006477

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #1848b4;
/* rgb */ color: rgb(24, 72, 180);
/* oklch */ color: oklch(44.3% 0.179 263.0);

Tailwind

colors: {
  custom: {
    50: '#747acb',
    500: '#1848b4',
    950: '#000000',
  },
}

SCSS

$custom: #1848b4;
$custom-light: #747acb;
$custom-dark: #000000;

JSON

{
  "hex": "#1848b4",
  "rgb": {
    "r": 24,
    "g": 72,
    "b": 180
  },
  "hsl": {
    "h": 221.538,
    "s": 76.471,
    "l": 40
  },
  "oklch": {
    "l": 0.44275,
    "c": 0.17911,
    "h": 263
  },
  "luminance": 0.08124
}

Semantic roles & 50–950 ramp

primary

#1848B4

secondary

#CDAA5B

accent

#B835F3

background

#F7F7FC

surface

#EEEDF9

border

#C9C8D2

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #1848B4

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

Preview Lab → · Contrast checker → · Palette generator →