#18397A#18397A

#18397A is a dark, moderate blue. Relative luminance 0.045; OKLCH L 36.1% C 0.118 H 262.1°. Best body text is #FFFFFF at 11.02:1 contrast (WCAG AA passes).

Color values

HEX	#18397A
RGB	rgb(24, 57, 122)
HSL	hsl(220, 67%, 29%)
HSV	hsv(220, 80%, 48%)
CMYK	cmyk(80.3%, 53.3%, 0%, 52.2%)
CIE-LAB	lab(25.34, 13.46, -40.49)
CIE-LCH	lch(25.34, 42.67, 288.39°)
OKLab	oklab(36.09% -0.0162 -0.1166)
OKLCH	oklch(36.09% 0.118 262.1)
XYZ	xyz(5.3514, 4.5250, 18.9999)
Luminance	0.0453 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18397A #7A5918

analogous

#186A7A #18397A #28187A

triadic

#18397A #7A1839 #397A18

tetradic

#18397A #7A186A #7A5918 #187A28

square

#18397A #7A186A #7A5918 #187A28

split-complementary

#18397A #7A2818 #6A7A18

monochromatic

#050C1A #0E2147 #18397A #2251AD #356CD7

Accessibility & contrast

On white

11.02

#18397A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#18397A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18397A

11.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18397A	#FFFFFF	#000000	##FFFFFF
##18397A	1.00	11.02	1.91	11.02
#FFFFFF	11.02	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F417C

Deuteranopia (green-blind)

#003879

Tritanopia (blue-blind)

#004953

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #18397a;
/* rgb */ color: rgb(24, 57, 122);
/* oklch */ color: oklch(36.1% 0.118 262.1);

Tailwind

colors: {
  custom: {
    50: '#656ea1',
    500: '#18397a',
    950: '#000000',
  },
}

SCSS

$custom: #18397a;
$custom-light: #656ea1;
$custom-dark: #000000;

JSON

{
  "hex": "#18397a",
  "rgb": {
    "r": 24,
    "g": 57,
    "b": 122
  },
  "hsl": {
    "h": 219.796,
    "s": 67.123,
    "l": 28.627
  },
  "oklch": {
    "l": 0.36093,
    "c": 0.11769,
    "h": 262.1
  },
  "luminance": 0.04526
}

Semantic roles & 50–950 ramp

primary

#18397A

secondary

#AF893F

accent

#B03EEA

background

#F6F6FA

surface

#EBEBF3

border

#C6C6CD

text

#06070F

muted

#7A7A7F

Preview Lab

Preview with #18397A

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

Preview Lab → · Contrast checker → · Palette generator →