#183B95#183B95

#183B95 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 38.9% C 0.153 H 264.2°. Best body text is #FFFFFF at 10.01:1 contrast (WCAG AA passes).

Color values

HEX	#183B95
RGB	rgb(24, 59, 149)
HSL	hsl(223, 72%, 34%)
HSV	hsv(223, 84%, 58%)
CMYK	cmyk(83.9%, 60.4%, 0%, 41.6%)
CIE-LAB	lab(28.09, 23.10, -52.81)
CIE-LCH	lch(28.09, 57.64, 293.63°)
OKLab	oklab(38.86% -0.0155 -0.1527)
OKLCH	oklch(38.86% 0.154 264.2)
XYZ	xyz(7.3635, 5.4912, 29.0997)
Luminance	0.0549 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183B95 #957218

analogous

#187A95 #183B95 #341895

triadic

#183B95 #95183B #3B9518

tetradic

#183B95 #95187A #957218 #189534

square

#183B95 #95187A #957218 #189534

split-complementary

#183B95 #953418 #7A9518

monochromatic

#07112C #102660 #183B95 #2050CA #4672E1

Accessibility & contrast

On white

10.01

#183B95 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#183B95 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183B95

10.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183B95	#FFFFFF	#000000	##FFFFFF
##183B95	1.00	10.01	2.10	10.01
#FFFFFF	10.01	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004898

Deuteranopia (green-blind)

#003D93

Tritanopia (blue-blind)

#005262

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #183b95;
/* rgb */ color: rgb(24, 59, 149);
/* oklch */ color: oklch(38.9% 0.153 264.2);

Tailwind

colors: {
  custom: {
    50: '#6c70b5',
    500: '#183b95',
    950: '#000000',
  },
}

SCSS

$custom: #183b95;
$custom-light: #6c70b5;
$custom-dark: #000000;

JSON

{
  "hex": "#183b95",
  "rgb": {
    "r": 24,
    "g": 59,
    "b": 149
  },
  "hsl": {
    "h": 223.2,
    "s": 72.254,
    "l": 33.922
  },
  "oklch": {
    "l": 0.38858,
    "c": 0.1535,
    "h": 264.2
  },
  "luminance": 0.05492
}

Semantic roles & 50–950 ramp

primary

#183B95

secondary

#C2A046

accent

#BC39EF

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #183B95

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

Preview Lab → · Contrast checker → · Palette generator →