#184F9B#184F9B

#184F9B is a dark, vivid cyan. Relative luminance 0.082; OKLCH L 43.7% C 0.137 H 257.8°. Best body text is #FFFFFF at 7.98:1 contrast (WCAG AA passes).

Color values

HEX	#184F9B
RGB	rgb(24, 79, 155)
HSL	hsl(215, 73%, 35%)
HSV	hsv(215, 85%, 61%)
CMYK	cmyk(84.5%, 49%, 0%, 39.2%)
CIE-LAB	lab(34.30, 11.83, -46.39)
CIE-LCH	lch(34.30, 47.88, 284.31°)
OKLab	oklab(43.72% -0.0288 -0.1334)
OKLCH	oklch(43.72% 0.137 257.8)
XYZ	xyz(9.0869, 8.1516, 32.0985)
Luminance	0.0815 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#184F9B #9B6418

analogous

#18909B #184F9B #22189B

triadic

#184F9B #9B184F #4F9B18

tetradic

#184F9B #9B1890 #9B6418 #189B22

square

#184F9B #9B1890 #9B6418 #189B22

split-complementary

#184F9B #9B2218 #909B18

monochromatic

#081931 #103466 #184F9B #206AD0 #4A8AE3

Accessibility & contrast

On white

7.98

#184F9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#184F9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #184F9B

7.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##184F9B	#FFFFFF	#000000	##FFFFFF
##184F9B	1.00	7.98	2.63	7.98
#FFFFFF	7.98	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	7.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#23579E

Deuteranopia (green-blind)

#004B99

Tritanopia (blue-blind)

#00616D

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #184f9b;
/* rgb */ color: rgb(24, 79, 155);
/* oklch */ color: oklch(43.7% 0.137 257.8);

Tailwind

colors: {
  custom: {
    50: '#6d7fb9',
    500: '#184f9b',
    950: '#000000',
  },
}

SCSS

$custom: #184f9b;
$custom-light: #6d7fb9;
$custom-dark: #000000;

JSON

{
  "hex": "#184f9b",
  "rgb": {
    "r": 24,
    "g": 79,
    "b": 155
  },
  "hsl": {
    "h": 214.809,
    "s": 73.184,
    "l": 35.098
  },
  "oklch": {
    "l": 0.43718,
    "c": 0.1365,
    "h": 257.8
  },
  "luminance": 0.08153
}

Semantic roles & 50–950 ramp

primary

#184F9B

secondary

#C5914A

accent

#A338F0

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080A11

muted

#7B7C80

Preview Lab

Preview with #184F9B

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

Preview Lab → · Contrast checker → · Palette generator →