#18477F#18477F

#18477F is a dark, moderate cyan. Relative luminance 0.062; OKLCH L 39.8% C 0.107 H 255.1°. Best body text is #FFFFFF at 9.35:1 contrast (WCAG AA passes).

Color values

HEX	#18477F
RGB	rgb(24, 71, 127)
HSL	hsl(213, 68%, 30%)
HSV	hsv(213, 81%, 50%)
CMYK	cmyk(81.1%, 44.1%, 0%, 50.2%)
CIE-LAB	lab(29.99, 5.81, -36.14)
CIE-LCH	lch(29.99, 36.61, 279.12°)
OKLab	oklab(39.79% -0.0276 -0.1035)
OKLCH	oklch(39.79% 0.107 255.1)
XYZ	xyz(6.4593, 6.2322, 20.9371)
Luminance	0.0623 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18477F #7F5018

analogous

#187B7F #18477F #1C187F

triadic

#18477F #7F1847 #477F18

tetradic

#18477F #7F187B #7F5018 #187F1C

square

#18477F #7F187B #7F5018 #187F1C

split-complementary

#18477F #7F1C18 #7B7F18

monochromatic

#050E1A #0E2A4C #18477F #2264B2 #3882D9

Accessibility & contrast

On white

9.35

#18477F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#18477F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18477F

9.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18477F	#FFFFFF	#000000	##FFFFFF
##18477F	1.00	9.35	2.25	9.35
#FFFFFF	9.35	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B4C81

Deuteranopia (green-blind)

#18427E

Tritanopia (blue-blind)

#00545C

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #18477f;
/* rgb */ color: rgb(24, 71, 127);
/* oklch */ color: oklch(39.8% 0.107 255.1);

Tailwind

colors: {
  custom: {
    50: '#6679a4',
    500: '#18477f',
    950: '#000000',
  },
}

SCSS

$custom: #18477f;
$custom-light: #6679a4;
$custom-dark: #000000;

JSON

{
  "hex": "#18477f",
  "rgb": {
    "r": 24,
    "g": 71,
    "b": 127
  },
  "hsl": {
    "h": 212.621,
    "s": 68.212,
    "l": 29.608
  },
  "oklch": {
    "l": 0.39788,
    "c": 0.10708,
    "h": 255.1
  },
  "luminance": 0.06233
}

Semantic roles & 50–950 ramp

primary

#18477F

secondary

#B37E3F

accent

#9C3DEB

background

#F6F7FA

surface

#EBEDF4

border

#C6C8CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #18477F

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

Preview Lab → · Contrast checker → · Palette generator →