#18427E#18427E

#18427E is a dark, moderate blue. Relative luminance 0.056; OKLCH L 38.5% C 0.112 H 258.0°. Best body text is #FFFFFF at 9.91:1 contrast (WCAG AA passes).

Color values

HEX	#18427E
RGB	rgb(24, 66, 126)
HSL	hsl(215, 68%, 29%)
HSV	hsv(215, 81%, 49%)
CMYK	cmyk(81%, 47.6%, 0%, 50.6%)
CIE-LAB	lab(28.37, 8.82, -38.12)
CIE-LCH	lch(28.37, 39.12, 283.03°)
OKLab	oklab(38.51% -0.0233 -0.1094)
OKLCH	oklch(38.51% 0.112 258)
XYZ	xyz(6.0894, 5.5963, 20.4939)
Luminance	0.0560 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18427E #7E5418

analogous

#18757E #18427E #21187E

triadic

#18427E #7E1842 #427E18

tetradic

#18427E #7E1875 #7E5418 #187E21

square

#18427E #7E1875 #7E5418 #187E21

split-complementary

#18427E #7E2118 #757E18

monochromatic

#050D1A #0E274B #18427E #225DB1 #377AD9

Accessibility & contrast

On white

9.91

#18427E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#18427E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18427E

9.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18427E	#FFFFFF	#000000	##FFFFFF
##18427E	1.00	9.91	2.12	9.91
#FFFFFF	9.91	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#224880

Deuteranopia (green-blind)

#093F7D

Tritanopia (blue-blind)

#00505A

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #18427e;
/* rgb */ color: rgb(24, 66, 126);
/* oklch */ color: oklch(38.5% 0.112 258.0);

Tailwind

colors: {
  custom: {
    50: '#6675a4',
    500: '#18427e',
    950: '#000000',
  },
}

SCSS

$custom: #18427e;
$custom-light: #6675a4;
$custom-dark: #000000;

JSON

{
  "hex": "#18427e",
  "rgb": {
    "r": 24,
    "g": 66,
    "b": 126
  },
  "hsl": {
    "h": 215.294,
    "s": 68,
    "l": 29.412
  },
  "oklch": {
    "l": 0.38512,
    "c": 0.11184,
    "h": 258
  },
  "luminance": 0.05597
}

Semantic roles & 50–950 ramp

primary

#18427E

secondary

#B2833F

accent

#A33DEB

background

#F6F7FA

surface

#EBEDF4

border

#C6C8CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #18427E

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

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