#184F9F#184F9F

#184F9F is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.0% C 0.142 H 258.6°. Best body text is #FFFFFF at 7.90:1 contrast (WCAG AA passes).

Color values

HEX	#184F9F
RGB	rgb(24, 79, 159)
HSL	hsl(216, 74%, 36%)
HSV	hsv(216, 85%, 62%)
CMYK	cmyk(84.9%, 50.3%, 0%, 37.6%)
CIE-LAB	lab(34.58, 13.46, -48.35)
CIE-LCH	lch(34.58, 50.19, 285.55°)
OKLab	oklab(44.02% -0.0281 -0.1392)
OKLCH	oklch(44.02% 0.142 258.6)
XYZ	xyz(9.4284, 8.2882, 33.8970)
Luminance	0.0829 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#184F9F #9F6818

analogous

#18929F #184F9F #25189F

triadic

#184F9F #9F184F #4F9F18

tetradic

#184F9F #9F1892 #9F6818 #189F25

square

#184F9F #9F1892 #9F6818 #189F25

split-complementary

#184F9F #9F2518 #929F18

monochromatic

#081A35 #10356A #184F9F #2069D4 #4D8BE4

Accessibility & contrast

On white

7.90

#184F9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#184F9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #184F9F

7.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##184F9F	#FFFFFF	#000000	##FFFFFF
##184F9F	1.00	7.90	2.66	7.90
#FFFFFF	7.90	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E58A2

Deuteranopia (green-blind)

#004C9D

Tritanopia (blue-blind)

#00626F

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #184f9f;
/* rgb */ color: rgb(24, 79, 159);
/* oklch */ color: oklch(44.0% 0.142 258.6);

Tailwind

colors: {
  custom: {
    50: '#6e7fbc',
    500: '#184f9f',
    950: '#000000',
  },
}

SCSS

$custom: #184f9f;
$custom-light: #6e7fbc;
$custom-dark: #000000;

JSON

{
  "hex": "#184f9f",
  "rgb": {
    "r": 24,
    "g": 79,
    "b": 159
  },
  "hsl": {
    "h": 215.556,
    "s": 73.77,
    "l": 35.882
  },
  "oklch": {
    "l": 0.44022,
    "c": 0.14202,
    "h": 258.6
  },
  "luminance": 0.08289
}

Semantic roles & 50–950 ramp

primary

#184F9F

secondary

#C6954D

accent

#A537F0

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080A12

muted

#7B7C81

Preview Lab

Preview with #184F9F

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

Preview Lab → · Contrast checker → · Palette generator →