#184F75#184F75

#184F75 is a dark, moderate cyan. Relative luminance 0.071; OKLCH L 41.1% C 0.085 H 243.3°. Best body text is #FFFFFF at 8.70:1 contrast (WCAG AA passes).

Color values

HEX	#184F75
RGB	rgb(24, 79, 117)
HSL	hsl(205, 66%, 28%)
HSV	hsv(205, 79%, 46%)
CMYK	cmyk(79.5%, 32.5%, 0%, 54.1%)
CIE-LAB	lab(31.97, -3.52, -26.77)
CIE-LCH	lch(31.97, 27.00, 262.51°)
OKLab	oklab(41.15% -0.0382 -0.0759)
OKLCH	oklch(41.15% 0.085 243.3)
XYZ	xyz(6.3823, 7.0698, 17.8544)
Luminance	0.0707 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#184F75 #753E18

analogous

#18756C #184F75 #182175

triadic

#184F75 #75184F #4F7518

tetradic

#184F75 #6C1875 #753E18 #217518

square

#184F75 #6C1875 #753E18 #217518

split-complementary

#184F75 #751821 #756C18

monochromatic

#051119 #0E2D42 #184F75 #2271A8 #3293D5

Accessibility & contrast

On white

8.70

#184F75 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#184F75 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #184F75

8.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##184F75	#FFFFFF	#000000	##FFFFFF
##184F75	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)

#3D5077

Deuteranopia (green-blind)

#304774

Tritanopia (blue-blind)

#00585C

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #184f75;
/* rgb */ color: rgb(24, 79, 117);
/* oklch */ color: oklch(41.1% 0.085 243.3);

Tailwind

colors: {
  custom: {
    50: '#64809d',
    500: '#184f75',
    950: '#000000',
  },
}

SCSS

$custom: #184f75;
$custom-light: #64809d;
$custom-dark: #000000;

JSON

{
  "hex": "#184f75",
  "rgb": {
    "r": 24,
    "g": 79,
    "b": 117
  },
  "hsl": {
    "h": 204.516,
    "s": 65.957,
    "l": 27.647
  },
  "oklch": {
    "l": 0.41145,
    "c": 0.08494,
    "h": 243.3
  },
  "luminance": 0.07071
}

Semantic roles & 50–950 ramp

primary

#184F75

secondary

#AA6B3F

accent

#843FE9

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0E

muted

#7A7C7E

Preview Lab

Preview with #184F75

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

Preview Lab → · Contrast checker → · Palette generator →