#18356E#18356E

#18356E is a dark, moderate blue. Relative luminance 0.039; OKLCH L 34.2% C 0.105 H 262.1°. Best body text is #FFFFFF at 11.84:1 contrast (WCAG AA passes).

Color values

HEX	#18356E
RGB	rgb(24, 53, 110)
HSL	hsl(220, 64%, 26%)
HSV	hsv(220, 78%, 43%)
CMYK	cmyk(78.2%, 51.8%, 0%, 56.9%)
CIE-LAB	lab(23.22, 11.33, -36.26)
CIE-LCH	lch(23.22, 37.99, 287.35°)
OKLab	oklab(34.19% -0.0144 -0.1042)
OKLCH	oklch(34.19% 0.105 262.1)
XYZ	xyz(4.4633, 3.8657, 15.2598)
Luminance	0.0387 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18356E #6E5118

analogous

#18606E #18356E #26186E

triadic

#18356E #6E1835 #356E18

tetradic

#18356E #6E1860 #6E5118 #186E26

square

#18356E #6E1860 #6E5118 #186E26

split-complementary

#18356E #6E2618 #606E18

monochromatic

#050C19 #0D1D3C #18356E #234DA0 #2F66D2

Accessibility & contrast

On white

11.84

#18356E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#18356E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18356E

11.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18356E	#FFFFFF	#000000	##FFFFFF
##18356E	1.00	11.84	1.77	11.84
#FFFFFF	11.84	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#143C70

Deuteranopia (green-blind)

#00346D

Tritanopia (blue-blind)

#00434C

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #18356e;
/* rgb */ color: rgb(24, 53, 110);
/* oklch */ color: oklch(34.2% 0.105 262.1);

Tailwind

colors: {
  custom: {
    50: '#626b98',
    500: '#18356e',
    950: '#000000',
  },
}

SCSS

$custom: #18356e;
$custom-light: #626b98;
$custom-dark: #000000;

JSON

{
  "hex": "#18356e",
  "rgb": {
    "r": 24,
    "g": 53,
    "b": 110
  },
  "hsl": {
    "h": 219.767,
    "s": 64.179,
    "l": 26.275
  },
  "oklch": {
    "l": 0.34193,
    "c": 0.10518,
    "h": 262.1
  },
  "luminance": 0.03866
}

Semantic roles & 50–950 ramp

primary

#18356E

secondary

#A4813E

accent

#AF41E7

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #18356E

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

Preview Lab → · Contrast checker → · Palette generator →