#123383#123383

#123383 is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.3% C 0.140 H 263.7°. Best body text is #FFFFFF at 11.49:1 contrast (WCAG AA passes).

Color values

HEX	#123383
RGB	rgb(18, 51, 131)
HSL	hsl(222, 76%, 29%)
HSV	hsv(222, 86%, 51%)
CMYK	cmyk(86.3%, 61.1%, 0%, 48.6%)
CIE-LAB	lab(24.11, 20.84, -48.16)
CIE-LCH	lch(24.11, 52.47, 293.40°)
OKLab	oklab(35.34% -0.0154 -0.1393)
OKLCH	oklch(35.34% 0.14 263.7)
XYZ	xyz(5.5286, 4.1343, 21.9749)
Luminance	0.0413 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123383 #836212

analogous

#126C83 #123383 #2A1283

triadic

#123383 #831233 #338312

tetradic

#123383 #83126C #836212 #12832A

square

#123383 #83126C #836212 #12832A

split-complementary

#123383 #832A12 #6C8312

monochromatic

#040A1B #0B1E4D #123383 #1948B9 #2D62E2

Accessibility & contrast

On white

11.49

#123383 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#123383 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123383

11.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123383	#FFFFFF	#000000	##FFFFFF
##123383	1.00	11.49	1.83	11.49
#FFFFFF	11.49	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F86

Deuteranopia (green-blind)

#003481

Tritanopia (blue-blind)

#004755

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #123383;
/* rgb */ color: rgb(18, 51, 131);
/* oklch */ color: oklch(35.3% 0.140 263.7);

Tailwind

colors: {
  custom: {
    50: '#676aa8',
    500: '#123383',
    950: '#000000',
  },
}

SCSS

$custom: #123383;
$custom-light: #676aa8;
$custom-dark: #000000;

JSON

{
  "hex": "#123383",
  "rgb": {
    "r": 18,
    "g": 51,
    "b": 131
  },
  "hsl": {
    "h": 222.478,
    "s": 75.839,
    "l": 29.216
  },
  "oklch": {
    "l": 0.35339,
    "c": 0.14015,
    "h": 263.7
  },
  "luminance": 0.04135
}

Semantic roles & 50–950 ramp

primary

#123383

secondary

#B89338

accent

#BB35F2

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#070610

muted

#7A7A7F

Preview Lab

Preview with #123383

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

Preview Lab → · Contrast checker → · Palette generator →