#18598E#18598E

#18598E is a mid, moderate cyan. Relative luminance 0.093; OKLCH L 45.2% C 0.107 H 248.0°. Best body text is #FFFFFF at 7.35:1 contrast (WCAG AA passes).

Color values

HEX	#18598E
RGB	rgb(24, 89, 142)
HSL	hsl(207, 71%, 33%)
HSV	hsv(207, 83%, 56%)
CMYK	cmyk(83.1%, 37.3%, 0%, 44.3%)
CIE-LAB	lab(36.54, -0.01, -34.93)
CIE-LCH	lch(36.54, 34.93, 269.99°)
OKLab	oklab(45.2% -0.0402 -0.0996)
OKLCH	oklch(45.2% 0.107 248)
XYZ	xyz(8.8297, 9.2909, 26.9139)
Luminance	0.0929 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18598E #8E4D18

analogous

#188E88 #18598E #181E8E

triadic

#18598E #8E1859 #598E18

tetradic

#18598E #88188E #8E4D18 #1E8E18

square

#18598E #88188E #8E4D18 #1E8E18

split-complementary

#18598E #8E181E #8E8818

monochromatic

#061725 #0F385A #18598E #217AC2 #4198DF

Accessibility & contrast

On white

7.35

#18598E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#18598E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18598E

7.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18598E	#FFFFFF	#000000	##FFFFFF
##18598E	1.00	7.35	2.86	7.35
#FFFFFF	7.35	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#405C90

Deuteranopia (green-blind)

#2E518D

Tritanopia (blue-blind)

#00666C

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #18598e;
/* rgb */ color: rgb(24, 89, 142);
/* oklch */ color: oklch(45.2% 0.107 248.0);

Tailwind

colors: {
  custom: {
    50: '#6a87af',
    500: '#18598e',
    950: '#000000',
  },
}

SCSS

$custom: #18598e;
$custom-light: #6a87af;
$custom-dark: #000000;

JSON

{
  "hex": "#18598e",
  "rgb": {
    "r": 24,
    "g": 89,
    "b": 142
  },
  "hsl": {
    "h": 206.949,
    "s": 71.084,
    "l": 32.549
  },
  "oklch": {
    "l": 0.45199,
    "c": 0.10736,
    "h": 248
  },
  "luminance": 0.09292
}

Semantic roles & 50–950 ramp

primary

#18598E

secondary

#C07B42

accent

#8B3AEE

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#070B10

muted

#7A7C7F

Preview Lab

Preview with #18598E

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

Preview Lab → · Contrast checker → · Palette generator →