#18477D#18477D

#18477D is a dark, moderate cyan. Relative luminance 0.062; OKLCH L 39.6% C 0.104 H 254.4°. Best body text is #FFFFFF at 9.39:1 contrast (WCAG AA passes).

Color values

HEX	#18477D
RGB	rgb(24, 71, 125)
HSL	hsl(212, 68%, 29%)
HSV	hsv(212, 81%, 49%)
CMYK	cmyk(80.8%, 43.2%, 0%, 51%)
CIE-LAB	lab(29.86, 4.99, -35.10)
CIE-LCH	lch(29.86, 35.45, 278.08°)
OKLab	oklab(39.65% -0.028 -0.1004)
OKLCH	oklch(39.65% 0.104 254.4)
XYZ	xyz(6.3302, 6.1806, 20.2574)
Luminance	0.0618 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18477D #7D4E18

analogous

#187A7D #18477D #1C187D

triadic

#18477D #7D1847 #477D18

tetradic

#18477D #7D187A #7D4E18 #187D1C

square

#18477D #7D187A #7D4E18 #187D1C

split-complementary

#18477D #7D1C18 #7A7D18

monochromatic

#050F1A #0E2A4A #18477D #2264B0 #3782D9

Accessibility & contrast

On white

9.39

#18477D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#18477D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18477D

9.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18477D	#FFFFFF	#000000	##FFFFFF
##18477D	1.00	9.39	2.24	9.39
#FFFFFF	9.39	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C4B7F

Deuteranopia (green-blind)

#1B427C

Tritanopia (blue-blind)

#00545C

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #18477d;
/* rgb */ color: rgb(24, 71, 125);
/* oklch */ color: oklch(39.6% 0.104 254.4);

Tailwind

colors: {
  custom: {
    50: '#6679a3',
    500: '#18477d',
    950: '#000000',
  },
}

SCSS

$custom: #18477d;
$custom-light: #6679a3;
$custom-dark: #000000;

JSON

{
  "hex": "#18477d",
  "rgb": {
    "r": 24,
    "g": 71,
    "b": 125
  },
  "hsl": {
    "h": 212.079,
    "s": 67.785,
    "l": 29.216
  },
  "oklch": {
    "l": 0.39648,
    "c": 0.10424,
    "h": 254.4
  },
  "luminance": 0.06181
}

Semantic roles & 50–950 ramp

primary

#18477D

secondary

#B27C3F

accent

#9A3DEB

background

#F6F7FA

surface

#EBEDF4

border

#C6C8CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #18477D

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

Preview Lab → · Contrast checker → · Palette generator →