#18456B#18456B

#18456B is a dark, moderate cyan. Relative luminance 0.055; OKLCH L 38.0% C 0.081 H 247.6°. Best body text is #FFFFFF at 9.99:1 contrast (WCAG AA passes).

Color values

HEX	#18456B
RGB	rgb(24, 69, 107)
HSL	hsl(207, 63%, 26%)
HSV	hsv(207, 78%, 42%)
CMYK	cmyk(77.6%, 35.5%, 0%, 58%)
CIE-LAB	lab(28.14, -0.98, -26.49)
CIE-LCH	lch(28.14, 26.50, 267.87°)
OKLab	oklab(37.95% -0.031 -0.0752)
OKLCH	oklch(37.95% 0.081 247.6)
XYZ	xyz(5.1576, 5.5114, 14.6990)
Luminance	0.0551 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18456B #6B3E18

analogous

#186B67 #18456B #181B6B

triadic

#18456B #6B1845 #456B18

tetradic

#18456B #67186B #6B3E18 #1B6B18

square

#18456B #67186B #6B3E18 #1B6B18

split-complementary

#18456B #6B181B #6B6718

monochromatic

#061019 #0D2539 #18456B #23659D #2E85CF

Accessibility & contrast

On white

9.99

#18456B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#18456B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18456B

9.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18456B	#FFFFFF	#000000	##FFFFFF
##18456B	1.00	9.99	2.10	9.99
#FFFFFF	9.99	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	9.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#34476D

Deuteranopia (green-blind)

#283F6A

Tritanopia (blue-blind)

#004E53

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #18456b;
/* rgb */ color: rgb(24, 69, 107);
/* oklch */ color: oklch(38.0% 0.081 247.6);

Tailwind

colors: {
  custom: {
    50: '#627895',
    500: '#18456b',
    950: '#000000',
  },
}

SCSS

$custom: #18456b;
$custom-light: #627895;
$custom-dark: #000000;

JSON

{
  "hex": "#18456b",
  "rgb": {
    "r": 24,
    "g": 69,
    "b": 107
  },
  "hsl": {
    "h": 207.47,
    "s": 63.359,
    "l": 25.686
  },
  "oklch": {
    "l": 0.37953,
    "c": 0.08135,
    "h": 247.6
  },
  "luminance": 0.05512
}

Semantic roles & 50–950 ramp

primary

#18456B

secondary

#A16B3E

accent

#8D41E6

background

#F6F7F9

surface

#EBEDF1

border

#C6C8CB

text

#06080D

muted

#7A7B7E

Preview Lab

Preview with #18456B

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

Preview Lab → · Contrast checker → · Palette generator →