#18437E#18437E

#18437E is a dark, moderate cyan. Relative luminance 0.057; OKLCH L 38.8% C 0.111 H 257.4°. Best body text is #FFFFFF at 9.80:1 contrast (WCAG AA passes).

Color values

HEX	#18437E
RGB	rgb(24, 67, 126)
HSL	hsl(215, 68%, 29%)
HSV	hsv(215, 81%, 49%)
CMYK	cmyk(81%, 46.8%, 0%, 50.6%)
CIE-LAB	lab(28.68, 8.13, -37.62)
CIE-LCH	lch(28.68, 38.49, 282.20°)
OKLab	oklab(38.75% -0.0242 -0.1079)
OKLCH	oklch(38.75% 0.111 257.4)
XYZ	xyz(6.1484, 5.7141, 20.5135)
Luminance	0.0571 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18437E #7E5318

analogous

#18767E #18437E #20187E

triadic

#18437E #7E1843 #437E18

tetradic

#18437E #7E1876 #7E5318 #187E20

square

#18437E #7E1876 #7E5318 #187E20

split-complementary

#18437E #7E2018 #767E18

monochromatic

#050E1A #0E284B #18437E #225EB1 #377CD9

Accessibility & contrast

On white

9.80

#18437E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#18437E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18437E

9.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18437E	#FFFFFF	#000000	##FFFFFF
##18437E	1.00	9.80	2.14	9.80
#FFFFFF	9.80	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#244980

Deuteranopia (green-blind)

#0D3F7D

Tritanopia (blue-blind)

#00515A

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #18437e;
/* rgb */ color: rgb(24, 67, 126);
/* oklch */ color: oklch(38.8% 0.111 257.4);

Tailwind

colors: {
  custom: {
    50: '#6676a4',
    500: '#18437e',
    950: '#000000',
  },
}

SCSS

$custom: #18437e;
$custom-light: #6676a4;
$custom-dark: #000000;

JSON

{
  "hex": "#18437e",
  "rgb": {
    "r": 24,
    "g": 67,
    "b": 126
  },
  "hsl": {
    "h": 214.706,
    "s": 68,
    "l": 29.412
  },
  "oklch": {
    "l": 0.38751,
    "c": 0.11058,
    "h": 257.4
  },
  "luminance": 0.05715
}

Semantic roles & 50–950 ramp

primary

#18437E

secondary

#B2823F

accent

#A23DEB

background

#F6F7FA

surface

#EBEDF4

border

#C6C8CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #18437E

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

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