#184B99#184B99

#184B99 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 42.7% C 0.139 H 259.2°. Best body text is #FFFFFF at 8.38:1 contrast (WCAG AA passes).

Color values

HEX	#184B99
RGB	rgb(24, 75, 153)
HSL	hsl(216, 73%, 35%)
HSV	hsv(216, 84%, 60%)
CMYK	cmyk(84.3%, 51%, 0%, 40%)
CIE-LAB	lab(32.97, 13.73, -47.32)
CIE-LCH	lch(32.97, 49.27, 286.18°)
OKLab	oklab(42.66% -0.026 -0.1362)
OKLCH	oklch(42.66% 0.139 259.2)
XYZ	xyz(8.6404, 7.5252, 31.1279)
Luminance	0.0753 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#184B99 #996618

analogous

#188C99 #184B99 #261899

triadic

#184B99 #99184B #4B9918

tetradic

#184B99 #99188C #996618 #189926

square

#184B99 #99188C #996618 #189926

split-complementary

#184B99 #992618 #8C9918

monochromatic

#07172F #103164 #184B99 #2065CE #4986E2

Accessibility & contrast

On white

8.38

#184B99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#184B99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #184B99

8.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##184B99	#FFFFFF	#000000	##FFFFFF
##184B99	1.00	8.38	2.51	8.38
#FFFFFF	8.38	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A549C

Deuteranopia (green-blind)

#004897

Tritanopia (blue-blind)

#005E6A

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #184b99;
/* rgb */ color: rgb(24, 75, 153);
/* oklch */ color: oklch(42.7% 0.139 259.2);

Tailwind

colors: {
  custom: {
    50: '#6d7cb8',
    500: '#184b99',
    950: '#000000',
  },
}

SCSS

$custom: #184b99;
$custom-light: #6d7cb8;
$custom-dark: #000000;

JSON

{
  "hex": "#184b99",
  "rgb": {
    "r": 24,
    "g": 75,
    "b": 153
  },
  "hsl": {
    "h": 216.279,
    "s": 72.881,
    "l": 34.706
  },
  "oklch": {
    "l": 0.42657,
    "c": 0.13872,
    "h": 259.2
  },
  "luminance": 0.07526
}

Semantic roles & 50–950 ramp

primary

#184B99

secondary

#C49349

accent

#A738F0

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #184B99

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

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