#184E9B#184E9B

#184E9B is a dark, vivid blue. Relative luminance 0.080; OKLCH L 43.5% C 0.138 H 258.3°. Best body text is #FFFFFF at 8.07:1 contrast (WCAG AA passes).

Color values

HEX	#184E9B
RGB	rgb(24, 78, 155)
HSL	hsl(215, 73%, 35%)
HSV	hsv(215, 85%, 61%)
CMYK	cmyk(84.5%, 49.7%, 0%, 39.2%)
CIE-LAB	lab(34.00, 12.51, -46.87)
CIE-LCH	lch(34.00, 48.51, 284.94°)
OKLab	oklab(43.49% -0.028 -0.1349)
OKLCH	oklch(43.49% 0.138 258.3)
XYZ	xyz(9.0153, 8.0084, 32.0746)
Luminance	0.0801 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#184E9B #9B6518

analogous

#188F9B #184E9B #23189B

triadic

#184E9B #9B184E #4E9B18

tetradic

#184E9B #9B188F #9B6518 #189B23

square

#184E9B #9B188F #9B6518 #189B23

split-complementary

#184E9B #9B2318 #8F9B18

monochromatic

#081931 #103366 #184E9B #2069D0 #4A89E3

Accessibility & contrast

On white

8.07

#184E9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#184E9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #184E9B

8.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##184E9B	#FFFFFF	#000000	##FFFFFF
##184E9B	1.00	8.07	2.60	8.07
#FFFFFF	8.07	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#20569E

Deuteranopia (green-blind)

#004A99

Tritanopia (blue-blind)

#00616D

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #184e9b;
/* rgb */ color: rgb(24, 78, 155);
/* oklch */ color: oklch(43.5% 0.138 258.3);

Tailwind

colors: {
  custom: {
    50: '#6d7eb9',
    500: '#184e9b',
    950: '#000000',
  },
}

SCSS

$custom: #184e9b;
$custom-light: #6d7eb9;
$custom-dark: #000000;

JSON

{
  "hex": "#184e9b",
  "rgb": {
    "r": 24,
    "g": 78,
    "b": 155
  },
  "hsl": {
    "h": 215.267,
    "s": 73.184,
    "l": 35.098
  },
  "oklch": {
    "l": 0.4349,
    "c": 0.13775,
    "h": 258.3
  },
  "luminance": 0.0801
}

Semantic roles & 50–950 ramp

primary

#184E9B

secondary

#C5924A

accent

#A438F0

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #184E9B

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

Preview Lab → · Contrast checker → · Palette generator →