#184D8B#184D8B

#184D8B is a dark, moderate cyan. Relative luminance 0.074; OKLCH L 42.1% C 0.117 H 255.0°. Best body text is #FFFFFF at 8.49:1 contrast (WCAG AA passes).

Color values

HEX	#184D8B
RGB	rgb(24, 77, 139)
HSL	hsl(212, 71%, 32%)
HSV	hsv(212, 83%, 55%)
CMYK	cmyk(82.7%, 44.6%, 0%, 45.5%)
CIE-LAB	lab(32.62, 6.66, -39.34)
CIE-LCH	lch(32.62, 39.90, 279.61°)
OKLab	oklab(42.08% -0.0302 -0.1128)
OKLCH	oklch(42.08% 0.117 255)
XYZ	xyz(7.6890, 7.3651, 25.4374)
Luminance	0.0737 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#184D8B #8B5618

analogous

#18878B #184D8B #1D188B

triadic

#184D8B #8B184D #4D8B18

tetradic

#184D8B #8B1887 #8B5618 #188B1D

square

#184D8B #8B1887 #8B5618 #188B1D

split-complementary

#184D8B #8B1D18 #878B18

monochromatic

#061323 #0F3057 #184D8B #216ABF #3F88DE

Accessibility & contrast

On white

8.49

#184D8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#184D8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #184D8B

8.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##184D8B	#FFFFFF	#000000	##FFFFFF
##184D8B	1.00	8.49	2.47	8.49
#FFFFFF	8.49	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D528D

Deuteranopia (green-blind)

#17488A

Tritanopia (blue-blind)

#005C65

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #184d8b;
/* rgb */ color: rgb(24, 77, 139);
/* oklch */ color: oklch(42.1% 0.117 255.0);

Tailwind

colors: {
  custom: {
    50: '#697ead',
    500: '#184d8b',
    950: '#000000',
  },
}

SCSS

$custom: #184d8b;
$custom-light: #697ead;
$custom-dark: #000000;

JSON

{
  "hex": "#184d8b",
  "rgb": {
    "r": 24,
    "g": 77,
    "b": 139
  },
  "hsl": {
    "h": 212.348,
    "s": 70.552,
    "l": 31.961
  },
  "oklch": {
    "l": 0.42082,
    "c": 0.11674,
    "h": 255
  },
  "luminance": 0.07366
}

Semantic roles & 50–950 ramp

primary

#184D8B

secondary

#BE8440

accent

#9B3AED

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070910

muted

#7A7B7F

Preview Lab

Preview with #184D8B

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

Preview Lab → · Contrast checker → · Palette generator →