#181E5F#181E5F

#181E5F is a dark, moderate blue. Relative luminance 0.019; OKLCH L 27.8% C 0.114 H 272.4°. Best body text is #FFFFFF at 15.11:1 contrast (WCAG AA passes).

Color values

HEX	#181E5F
RGB	rgb(24, 30, 95)
HSL	hsl(235, 60%, 23%)
HSV	hsv(235, 75%, 37%)
CMYK	cmyk(74.7%, 68.4%, 0%, 62.7%)
CIE-LAB	lab(15.22, 21.79, -39.46)
CIE-LCH	lch(15.22, 45.08, 298.91°)
OKLab	oklab(27.79% 0.0048 -0.1139)
OKLCH	oklch(27.79% 0.114 272.4)
XYZ	xyz(2.9058, 1.9487, 11.0472)
Luminance	0.0195 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181E5F #5F5918

analogous

#18415F #181E5F #35185F

triadic

#181E5F #5F181E #1E5F18

tetradic

#181E5F #5F1841 #5F5918 #185F35

square

#181E5F #5F1841 #5F5918 #185F35

split-complementary

#181E5F #5F3518 #415F18

monochromatic

#060818 #0C0F2E #181E5F #242D90 #313DC1

Accessibility & contrast

On white

15.11

#181E5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#181E5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181E5F

15.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181E5F	#FFFFFF	#000000	##FFFFFF
##181E5F	1.00	15.11	1.39	15.11
#FFFFFF	15.11	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002961

Deuteranopia (green-blind)

#00235E

Tritanopia (blue-blind)

#002F3B

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #181e5f;
/* rgb */ color: rgb(24, 30, 95);
/* oklch */ color: oklch(27.8% 0.114 272.4);

Tailwind

colors: {
  custom: {
    50: '#60598d',
    500: '#181e5f',
    950: '#000000',
  },
}

SCSS

$custom: #181e5f;
$custom-light: #60598d;
$custom-dark: #000000;

JSON

{
  "hex": "#181e5f",
  "rgb": {
    "r": 24,
    "g": 30,
    "b": 95
  },
  "hsl": {
    "h": 234.93,
    "s": 59.664,
    "l": 23.333
  },
  "oklch": {
    "l": 0.27787,
    "c": 0.11405,
    "h": 272.4
  },
  "luminance": 0.01949
}

Semantic roles & 50–950 ramp

primary

#181E5F

secondary

#958E3D

accent

#D545E3

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#05030C

muted

#7A787D

Preview Lab

Preview with #181E5F

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

Preview Lab → · Contrast checker → · Palette generator →