#1845B4#1845B4

#1845B4 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.7% C 0.183 H 263.7°. Best body text is #FFFFFF at 8.24:1 contrast (WCAG AA passes).

Color values

HEX	#1845B4
RGB	rgb(24, 69, 180)
HSL	hsl(223, 76%, 40%)
HSV	hsv(223, 87%, 71%)
CMYK	cmyk(86.7%, 61.7%, 0%, 29.4%)
CIE-LAB	lab(33.44, 28.60, -62.73)
CIE-LCH	lch(33.44, 68.94, 294.51°)
OKLab	oklab(43.68% -0.0201 -0.1816)
OKLCH	oklch(43.68% 0.183 263.7)
XYZ	xyz(10.7401, 7.7444, 44.0999)
Luminance	0.0775 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1845B4 #B48718

analogous

#1893B4 #1845B4 #3918B4

triadic

#1845B4 #B41845 #45B418

tetradic

#1845B4 #B41893 #B48718 #18B439

square

#1845B4 #B41893 #B48718 #18B439

split-complementary

#1845B4 #B43918 #93B418

monochromatic

#0A1C48 #11307E #1845B4 #275DE2 #5D86E9

Accessibility & contrast

On white

8.24

#1845B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#1845B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1845B4

8.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1845B4	#FFFFFF	#000000	##FFFFFF
##1845B4	1.00	8.24	2.55	8.24
#FFFFFF	8.24	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056B8

Deuteranopia (green-blind)

#0048B2

Tritanopia (blue-blind)

#006276

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #1845b4;
/* rgb */ color: rgb(24, 69, 180);
/* oklch */ color: oklch(43.7% 0.183 263.7);

Tailwind

colors: {
  custom: {
    50: '#7478cb',
    500: '#1845b4',
    950: '#000000',
  },
}

SCSS

$custom: #1845b4;
$custom-light: #7478cb;
$custom-dark: #000000;

JSON

{
  "hex": "#1845b4",
  "rgb": {
    "r": 24,
    "g": 69,
    "b": 180
  },
  "hsl": {
    "h": 222.692,
    "s": 76.471,
    "l": 40
  },
  "oklch": {
    "l": 0.43683,
    "c": 0.18274,
    "h": 263.7
  },
  "luminance": 0.07746
}

Semantic roles & 50–950 ramp

primary

#1845B4

secondary

#CDAC5B

accent

#BC35F3

background

#F7F7FC

surface

#EEEDF9

border

#C9C8D2

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #1845B4

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

Preview Lab → · Contrast checker → · Palette generator →