#18457A#18457A

#18457A is a dark, moderate cyan. Relative luminance 0.059; OKLCH L 38.9% C 0.102 H 254.8°. Best body text is #FFFFFF at 9.67:1 contrast (WCAG AA passes).

Color values

HEX	#18457A
RGB	rgb(24, 69, 122)
HSL	hsl(212, 67%, 29%)
HSV	hsv(212, 80%, 48%)
CMYK	cmyk(80.3%, 43.4%, 0%, 52.2%)
CIE-LAB	lab(29.04, 5.11, -34.53)
CIE-LCH	lch(29.04, 34.91, 278.42°)
OKLab	oklab(38.95% -0.0269 -0.0988)
OKLCH	oklch(38.95% 0.102 254.8)
XYZ	xyz(6.0164, 5.8549, 19.2216)
Luminance	0.0586 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18457A #7A4D18

analogous

#18767A #18457A #1C187A

triadic

#18457A #7A1845 #457A18

tetradic

#18457A #7A1876 #7A4D18 #187A1C

square

#18457A #7A1876 #7A4D18 #187A1C

split-complementary

#18457A #7A1C18 #767A18

monochromatic

#050E1A #0E2847 #18457A #2262AD #3580D7

Accessibility & contrast

On white

9.67

#18457A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#18457A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18457A

9.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18457A	#FFFFFF	#000000	##FFFFFF
##18457A	1.00	9.67	2.17	9.67
#FFFFFF	9.67	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B497C

Deuteranopia (green-blind)

#1A4079

Tritanopia (blue-blind)

#005259

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #18457a;
/* rgb */ color: rgb(24, 69, 122);
/* oklch */ color: oklch(38.9% 0.102 254.8);

Tailwind

colors: {
  custom: {
    50: '#6578a1',
    500: '#18457a',
    950: '#000000',
  },
}

SCSS

$custom: #18457a;
$custom-light: #6578a1;
$custom-dark: #000000;

JSON

{
  "hex": "#18457a",
  "rgb": {
    "r": 24,
    "g": 69,
    "b": 122
  },
  "hsl": {
    "h": 212.449,
    "s": 67.123,
    "l": 28.627
  },
  "oklch": {
    "l": 0.38949,
    "c": 0.10237,
    "h": 254.8
  },
  "luminance": 0.05856
}

Semantic roles & 50–950 ramp

primary

#18457A

secondary

#AF7B3F

accent

#9B3EEA

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06080F

muted

#7A7B7E

Preview Lab

Preview with #18457A

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

Preview Lab → · Contrast checker → · Palette generator →