#123483#123483

#123483 is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.6% C 0.139 H 263.4°. Best body text is #FFFFFF at 11.38:1 contrast (WCAG AA passes).

Color values

HEX	#123483
RGB	rgb(18, 52, 131)
HSL	hsl(222, 76%, 29%)
HSV	hsv(222, 86%, 51%)
CMYK	cmyk(86.3%, 60.3%, 0%, 48.6%)
CIE-LAB	lab(24.39, 20.13, -47.70)
CIE-LCH	lch(24.39, 51.77, 292.88°)
OKLab	oklab(35.55% -0.016 -0.1379)
OKLCH	oklch(35.55% 0.139 263.4)
XYZ	xyz(5.5727, 4.2226, 21.9897)
Luminance	0.0422 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123483 #836112

analogous

#126D83 #123483 #291283

triadic

#123483 #831234 #348312

tetradic

#123483 #83126D #836112 #128329

square

#123483 #83126D #836112 #128329

split-complementary

#123483 #832912 #6D8312

monochromatic

#040B1B #0B1F4D #123483 #1949B9 #2D64E2

Accessibility & contrast

On white

11.38

#123483 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#123483 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123483

11.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123483	#FFFFFF	#000000	##FFFFFF
##123483	1.00	11.38	1.84	11.38
#FFFFFF	11.38	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F86

Deuteranopia (green-blind)

#003581

Tritanopia (blue-blind)

#004856

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #123483;
/* rgb */ color: rgb(18, 52, 131);
/* oklch */ color: oklch(35.6% 0.139 263.4);

Tailwind

colors: {
  custom: {
    50: '#676aa8',
    500: '#123483',
    950: '#000000',
  },
}

SCSS

$custom: #123483;
$custom-light: #676aa8;
$custom-dark: #000000;

JSON

{
  "hex": "#123483",
  "rgb": {
    "r": 18,
    "g": 52,
    "b": 131
  },
  "hsl": {
    "h": 221.947,
    "s": 75.839,
    "l": 29.216
  },
  "oklch": {
    "l": 0.35552,
    "c": 0.13884,
    "h": 263.4
  },
  "luminance": 0.04223
}

Semantic roles & 50–950 ramp

primary

#123483

secondary

#B89238

accent

#BA35F2

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#070610

muted

#7A7A7F

Preview Lab

Preview with #123483

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

Preview Lab → · Contrast checker → · Palette generator →