#18488E#18488E

#18488E is a dark, vivid blue. Relative luminance 0.068; OKLCH L 41.1% C 0.127 H 258.4°. Best body text is #FFFFFF at 8.91:1 contrast (WCAG AA passes).

Color values

HEX	#18488E
RGB	rgb(24, 72, 142)
HSL	hsl(216, 71%, 33%)
HSV	hsv(216, 83%, 56%)
CMYK	cmyk(83.1%, 49.3%, 0%, 44.3%)
CIE-LAB	lab(31.30, 11.28, -43.31)
CIE-LCH	lch(31.30, 44.75, 284.59°)
OKLab	oklab(41.13% -0.0255 -0.1245)
OKLCH	oklch(41.13% 0.127 258.4)
XYZ	xyz(7.5747, 6.7810, 26.4956)
Luminance	0.0678 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18488E #8E5E18

analogous

#18838E #18488E #23188E

triadic

#18488E #8E1848 #488E18

tetradic

#18488E #8E1883 #8E5E18 #188E23

square

#18488E #8E1883 #8E5E18 #188E23

split-complementary

#18488E #8E2318 #838E18

monochromatic

#061325 #0F2D5A #18488E #2163C2 #4182DF

Accessibility & contrast

On white

8.91

#18488E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#18488E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18488E

8.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18488E	#FFFFFF	#000000	##FFFFFF
##18488E	1.00	8.91	2.36	8.91
#FFFFFF	8.91	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#204F91

Deuteranopia (green-blind)

#00458D

Tritanopia (blue-blind)

#005964

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #18488e;
/* rgb */ color: rgb(24, 72, 142);
/* oklch */ color: oklch(41.1% 0.127 258.4);

Tailwind

colors: {
  custom: {
    50: '#6a7aaf',
    500: '#18488e',
    950: '#000000',
  },
}

SCSS

$custom: #18488e;
$custom-light: #6a7aaf;
$custom-dark: #000000;

JSON

{
  "hex": "#18488e",
  "rgb": {
    "r": 24,
    "g": 72,
    "b": 142
  },
  "hsl": {
    "h": 215.593,
    "s": 71.084,
    "l": 32.549
  },
  "oklch": {
    "l": 0.41126,
    "c": 0.1271,
    "h": 258.4
  },
  "luminance": 0.06782
}

Semantic roles & 50–950 ramp

primary

#18488E

secondary

#C08D42

accent

#A53AEE

background

#F6F7FA

surface

#ECEDF5

border

#C7C8CF

text

#080910

muted

#7A7B7F

Preview Lab

Preview with #18488E

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

Preview Lab → · Contrast checker → · Palette generator →