#18406E#18406E

#18406E is a dark, moderate cyan. Relative luminance 0.050; OKLCH L 36.9% C 0.091 H 254.1°. Best body text is #FFFFFF at 10.51:1 contrast (WCAG AA passes).

Color values

HEX	#18406E
RGB	rgb(24, 64, 110)
HSL	hsl(212, 64%, 26%)
HSV	hsv(212, 78%, 43%)
CMYK	cmyk(78.2%, 41.8%, 0%, 56.9%)
CIE-LAB	lab(26.70, 3.61, -30.70)
CIE-LCH	lch(26.70, 30.91, 276.70°)
OKLab	oklab(36.88% -0.025 -0.0876)
OKLCH	oklch(36.88% 0.091 254.1)
XYZ	xyz(5.0235, 4.9862, 15.4465)
Luminance	0.0499 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18406E #6E4618

analogous

#186B6E #18406E #1B186E

triadic

#18406E #6E1840 #406E18

tetradic

#18406E #6E186B #6E4618 #186E1B

square

#18406E #6E186B #6E4618 #186E1B

split-complementary

#18406E #6E1B18 #6B6E18

monochromatic

#050F19 #0D233C #18406E #235DA0 #2F7BD2

Accessibility & contrast

On white

10.51

#18406E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#18406E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18406E

10.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18406E	#FFFFFF	#000000	##FFFFFF
##18406E	1.00	10.51	2.00	10.51
#FFFFFF	10.51	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A4370

Deuteranopia (green-blind)

#1C3B6D

Tritanopia (blue-blind)

#004B51

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #18406e;
/* rgb */ color: rgb(24, 64, 110);
/* oklch */ color: oklch(36.9% 0.091 254.1);

Tailwind

colors: {
  custom: {
    50: '#627498',
    500: '#18406e',
    950: '#000000',
  },
}

SCSS

$custom: #18406e;
$custom-light: #627498;
$custom-dark: #000000;

JSON

{
  "hex": "#18406e",
  "rgb": {
    "r": 24,
    "g": 64,
    "b": 110
  },
  "hsl": {
    "h": 212.093,
    "s": 64.179,
    "l": 26.275
  },
  "oklch": {
    "l": 0.36876,
    "c": 0.09111,
    "h": 254.1
  },
  "luminance": 0.04987
}

Semantic roles & 50–950 ramp

primary

#18406E

secondary

#A4743E

accent

#9A41E7

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06080D

muted

#7A7B7E

Preview Lab

Preview with #18406E

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

Preview Lab → · Contrast checker → · Palette generator →