#18407B#18407B

#18407B is a dark, moderate blue. Relative luminance 0.053; OKLCH L 37.8% C 0.110 H 258.4°. Best body text is #FFFFFF at 10.20:1 contrast (WCAG AA passes).

Color values

HEX	#18407B
RGB	rgb(24, 64, 123)
HSL	hsl(216, 67%, 29%)
HSV	hsv(216, 80%, 48%)
CMYK	cmyk(80.5%, 48%, 0%, 51.8%)
CIE-LAB	lab(27.55, 8.97, -37.56)
CIE-LCH	lch(27.55, 38.62, 283.43°)
OKLab	oklab(37.81% -0.0221 -0.1078)
OKLCH	oklch(37.81% 0.11 258.4)
XYZ	xyz(5.7839, 5.2904, 19.4514)
Luminance	0.0529 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18407B #7B5318

analogous

#18727B #18407B #22187B

triadic

#18407B #7B1840 #407B18

tetradic

#18407B #7B1872 #7B5318 #187B22

square

#18407B #7B1872 #7B5318 #187B22

split-complementary

#18407B #7B2218 #727B18

monochromatic

#050D1A #0E2548 #18407B #225BAE #3677D8

Accessibility & contrast

On white

10.20

#18407B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#18407B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18407B

10.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18407B	#FFFFFF	#000000	##FFFFFF
##18407B	1.00	10.20	2.06	10.20
#FFFFFF	10.20	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#20467D

Deuteranopia (green-blind)

#083D7A

Tritanopia (blue-blind)

#004E57

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #18407b;
/* rgb */ color: rgb(24, 64, 123);
/* oklch */ color: oklch(37.8% 0.110 258.4);

Tailwind

colors: {
  custom: {
    50: '#6574a2',
    500: '#18407b',
    950: '#000000',
  },
}

SCSS

$custom: #18407b;
$custom-light: #6574a2;
$custom-dark: #000000;

JSON

{
  "hex": "#18407b",
  "rgb": {
    "r": 24,
    "g": 64,
    "b": 123
  },
  "hsl": {
    "h": 215.758,
    "s": 67.347,
    "l": 28.824
  },
  "oklch": {
    "l": 0.37811,
    "c": 0.11002,
    "h": 258.4
  },
  "luminance": 0.05291
}

Semantic roles & 50–950 ramp

primary

#18407B

secondary

#B0823F

accent

#A43EEA

background

#F6F7FA

surface

#EBEDF3

border

#C6C8CD

text

#06080F

muted

#7A7B7F

Preview Lab

Preview with #18407B

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

Preview Lab → · Contrast checker → · Palette generator →