#18407D#18407D

#18407D is a dark, moderate blue. Relative luminance 0.053; OKLCH L 38.0% C 0.113 H 258.9°. Best body text is #FFFFFF at 10.15:1 contrast (WCAG AA passes).

Color values

HEX	#18407D
RGB	rgb(24, 64, 125)
HSL	hsl(216, 68%, 29%)
HSV	hsv(216, 81%, 49%)
CMYK	cmyk(80.8%, 48.8%, 0%, 51%)
CIE-LAB	lab(27.68, 9.79, -38.59)
CIE-LCH	lch(27.68, 39.82, 284.24°)
OKLab	oklab(37.96% -0.0217 -0.1108)
OKLCH	oklch(37.96% 0.113 258.9)
XYZ	xyz(5.9104, 5.3410, 20.1175)
Luminance	0.0534 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18407D #7D5518

analogous

#18737D #18407D #23187D

triadic

#18407D #7D1840 #407D18

tetradic

#18407D #7D1873 #7D5518 #187D23

square

#18407D #7D1873 #7D5518 #187D23

split-complementary

#18407D #7D2318 #737D18

monochromatic

#050D1A #0E264A #18407D #225AB0 #3777D9

Accessibility & contrast

On white

10.15

#18407D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#18407D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18407D

10.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18407D	#FFFFFF	#000000	##FFFFFF
##18407D	1.00	10.15	2.07	10.15
#FFFFFF	10.15	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F467F

Deuteranopia (green-blind)

#023D7C

Tritanopia (blue-blind)

#004F58

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #18407d;
/* rgb */ color: rgb(24, 64, 125);
/* oklch */ color: oklch(38.0% 0.113 258.9);

Tailwind

colors: {
  custom: {
    50: '#6674a3',
    500: '#18407d',
    950: '#000000',
  },
}

SCSS

$custom: #18407d;
$custom-light: #6674a3;
$custom-dark: #000000;

JSON

{
  "hex": "#18407d",
  "rgb": {
    "r": 24,
    "g": 64,
    "b": 125
  },
  "hsl": {
    "h": 216.238,
    "s": 67.785,
    "l": 29.216
  },
  "oklch": {
    "l": 0.37962,
    "c": 0.11293,
    "h": 258.9
  },
  "luminance": 0.05342
}

Semantic roles & 50–950 ramp

primary

#18407D

secondary

#B2843F

accent

#A63DEB

background

#F6F7FA

surface

#EBEDF4

border

#C6C8CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #18407D

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

Preview Lab → · Contrast checker → · Palette generator →