#183E95#183E95

#183E95 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.5% C 0.150 H 263.3°. Best body text is #FFFFFF at 9.71:1 contrast (WCAG AA passes).

Color values

HEX	#183E95
RGB	rgb(24, 62, 149)
HSL	hsl(222, 72%, 34%)
HSV	hsv(222, 84%, 58%)
CMYK	cmyk(83.9%, 58.4%, 0%, 41.6%)
CIE-LAB	lab(28.92, 21.03, -51.45)
CIE-LCH	lch(28.92, 55.58, 292.23°)
OKLab	oklab(39.48% -0.0174 -0.1487)
OKLCH	oklch(39.48% 0.15 263.3)
XYZ	xyz(7.5222, 5.8085, 29.1526)
Luminance	0.0581 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183E95 #956F18

analogous

#187D95 #183E95 #311895

triadic

#183E95 #95183E #3E9518

tetradic

#183E95 #95187D #956F18 #189531

square

#183E95 #95187D #956F18 #189531

split-complementary

#183E95 #953118 #7D9518

monochromatic

#07122C #102860 #183E95 #2054CA #4675E1

Accessibility & contrast

On white

9.71

#183E95 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#183E95 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183E95

9.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183E95	#FFFFFF	#000000	##FFFFFF
##183E95	1.00	9.71	2.16	9.71
#FFFFFF	9.71	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A98

Deuteranopia (green-blind)

#003F93

Tritanopia (blue-blind)

#005463

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #183e95;
/* rgb */ color: rgb(24, 62, 149);
/* oklch */ color: oklch(39.5% 0.150 263.3);

Tailwind

colors: {
  custom: {
    50: '#6c72b5',
    500: '#183e95',
    950: '#000000',
  },
}

SCSS

$custom: #183e95;
$custom-light: #6c72b5;
$custom-dark: #000000;

JSON

{
  "hex": "#183e95",
  "rgb": {
    "r": 24,
    "g": 62,
    "b": 149
  },
  "hsl": {
    "h": 221.76,
    "s": 72.254,
    "l": 33.922
  },
  "oklch": {
    "l": 0.39483,
    "c": 0.14969,
    "h": 263.3
  },
  "luminance": 0.05809
}

Semantic roles & 50–950 ramp

primary

#183E95

secondary

#C29D46

accent

#B839EF

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #183E95

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

Preview Lab → · Contrast checker → · Palette generator →