#18255F#18255F

#18255F is a dark, moderate blue. Relative luminance 0.023; OKLCH L 29.3% C 0.104 H 269.3°. Best body text is #FFFFFF at 14.30:1 contrast (WCAG AA passes).

Color values

HEX	#18255F
RGB	rgb(24, 37, 95)
HSL	hsl(229, 60%, 23%)
HSV	hsv(229, 75%, 37%)
CMYK	cmyk(74.7%, 61.1%, 0%, 62.7%)
CIE-LAB	lab(17.19, 16.73, -36.23)
CIE-LCH	lch(17.19, 39.91, 294.78°)
OKLab	oklab(29.25% -0.0012 -0.1044)
OKLCH	oklch(29.25% 0.104 269.3)
XYZ	xyz(3.1031, 2.3432, 11.1130)
Luminance	0.0234 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18255F #5F5218

analogous

#18485F #18255F #2E185F

triadic

#18255F #5F1825 #255F18

tetradic

#18255F #5F1848 #5F5218 #185F2E

square

#18255F #5F1848 #5F5218 #185F2E

split-complementary

#18255F #5F2E18 #485F18

monochromatic

#060A18 #0C122E #18255F #243890 #314BC1

Accessibility & contrast

On white

14.30

#18255F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#18255F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18255F

14.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18255F	#FFFFFF	#000000	##FFFFFF
##18255F	1.00	14.30	1.47	14.30
#FFFFFF	14.30	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E61

Deuteranopia (green-blind)

#00275E

Tritanopia (blue-blind)

#00333E

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #18255f;
/* rgb */ color: rgb(24, 37, 95);
/* oklch */ color: oklch(29.3% 0.104 269.3);

Tailwind

colors: {
  custom: {
    50: '#605f8d',
    500: '#18255f',
    950: '#000000',
  },
}

SCSS

$custom: #18255f;
$custom-light: #605f8d;
$custom-dark: #000000;

JSON

{
  "hex": "#18255f",
  "rgb": {
    "r": 24,
    "g": 37,
    "b": 95
  },
  "hsl": {
    "h": 229.014,
    "s": 59.664,
    "l": 23.333
  },
  "oklch": {
    "l": 0.29253,
    "c": 0.10441,
    "h": 269.3
  },
  "luminance": 0.02344
}

Semantic roles & 50–950 ramp

primary

#18255F

secondary

#95853D

accent

#C645E3

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05040C

muted

#79797D

Preview Lab

Preview with #18255F

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

Preview Lab → · Contrast checker → · Palette generator →