#184E7B#184E7B

#184E7B is a dark, moderate cyan. Relative luminance 0.071; OKLCH L 41.3% C 0.094 H 247.9°. Best body text is #FFFFFF at 8.70:1 contrast (WCAG AA passes).

Color values

HEX	#184E7B
RGB	rgb(24, 78, 123)
HSL	hsl(207, 67%, 29%)
HSV	hsv(207, 80%, 48%)
CMYK	cmyk(80.5%, 36.6%, 0%, 51.8%)
CIE-LAB	lab(31.97, -0.48, -30.50)
CIE-LCH	lch(31.97, 30.51, 269.09°)
OKLab	oklab(41.26% -0.0353 -0.0868)
OKLCH	oklch(41.26% 0.094 247.9)
XYZ	xyz(6.6749, 7.0722, 19.7483)
Luminance	0.0707 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#184E7B #7B4518

analogous

#187B77 #184E7B #181C7B

triadic

#184E7B #7B184E #4E7B18

tetradic

#184E7B #77187B #7B4518 #1C7B18

square

#184E7B #77187B #7B4518 #1C7B18

split-complementary

#184E7B #7B181C #7B7718

monochromatic

#05101A #0E2E48 #184E7B #226EAE #368ED8

Accessibility & contrast

On white

8.70

#184E7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#184E7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #184E7B

8.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##184E7B	#FFFFFF	#000000	##FFFFFF
##184E7B	1.00	8.70	2.41	8.70
#FFFFFF	8.70	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#39507D

Deuteranopia (green-blind)

#2B477A

Tritanopia (blue-blind)

#00595E

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #184e7b;
/* rgb */ color: rgb(24, 78, 123);
/* oklch */ color: oklch(41.3% 0.094 247.9);

Tailwind

colors: {
  custom: {
    50: '#657fa1',
    500: '#184e7b',
    950: '#000000',
  },
}

SCSS

$custom: #184e7b;
$custom-light: #657fa1;
$custom-dark: #000000;

JSON

{
  "hex": "#184e7b",
  "rgb": {
    "r": 24,
    "g": 78,
    "b": 123
  },
  "hsl": {
    "h": 207.273,
    "s": 67.347,
    "l": 28.824
  },
  "oklch": {
    "l": 0.41258,
    "c": 0.09368,
    "h": 247.9
  },
  "luminance": 0.07073
}

Semantic roles & 50–950 ramp

primary

#184E7B

secondary

#B0723F

accent

#8C3EEA

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0F

muted

#7A7C7E

Preview Lab

Preview with #184E7B

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

Preview Lab → · Contrast checker → · Palette generator →