#18507F#18507F

#18507F is a dark, moderate cyan. Relative luminance 0.075; OKLCH L 42.0% C 0.097 H 248.2°. Best body text is #FFFFFF at 8.42:1 contrast (WCAG AA passes).

Color values

HEX	#18507F
RGB	rgb(24, 80, 127)
HSL	hsl(207, 68%, 30%)
HSV	hsv(207, 81%, 50%)
CMYK	cmyk(81.1%, 37%, 0%, 50.2%)
CIE-LAB	lab(32.84, -0.19, -31.61)
CIE-LCH	lch(32.84, 31.61, 269.66°)
OKLab	oklab(42.01% -0.036 -0.09)
OKLCH	oklch(42.01% 0.097 248.2)
XYZ	xyz(7.0746, 7.4630, 21.1422)
Luminance	0.0746 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18507F #7F4718

analogous

#187F7B #18507F #181C7F

triadic

#18507F #7F1850 #507F18

tetradic

#18507F #7B187F #7F4718 #1C7F18

square

#18507F #7B187F #7F4718 #1C7F18

split-complementary

#18507F #7F181C #7F7B18

monochromatic

#05101A #0E304C #18507F #2270B2 #3890D9

Accessibility & contrast

On white

8.42

#18507F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#18507F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18507F

8.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18507F	#FFFFFF	#000000	##FFFFFF
##18507F	1.00	8.42	2.49	8.42
#FFFFFF	8.42	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A5281

Deuteranopia (green-blind)

#2B497E

Tritanopia (blue-blind)

#005B61

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #18507f;
/* rgb */ color: rgb(24, 80, 127);
/* oklch */ color: oklch(42.0% 0.097 248.2);

Tailwind

colors: {
  custom: {
    50: '#6680a4',
    500: '#18507f',
    950: '#000000',
  },
}

SCSS

$custom: #18507f;
$custom-light: #6680a4;
$custom-dark: #000000;

JSON

{
  "hex": "#18507f",
  "rgb": {
    "r": 24,
    "g": 80,
    "b": 127
  },
  "hsl": {
    "h": 207.379,
    "s": 68.212,
    "l": 29.608
  },
  "oklch": {
    "l": 0.42014,
    "c": 0.09694,
    "h": 248.2
  },
  "luminance": 0.07464
}

Semantic roles & 50–950 ramp

primary

#18507F

secondary

#B3743F

accent

#8C3DEB

background

#F6F7FA

surface

#EBEEF4

border

#C6C9CE

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #18507F

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

Preview Lab → · Contrast checker → · Palette generator →