#123381#123381

#123381 is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.2% C 0.137 H 263.5°. Best body text is #FFFFFF at 11.56:1 contrast (WCAG AA passes).

Color values

HEX	#123381
RGB	rgb(18, 51, 129)
HSL	hsl(222, 76%, 29%)
HSV	hsv(222, 86%, 51%)
CMYK	cmyk(86%, 60.5%, 0%, 49.4%)
CIE-LAB	lab(23.94, 20.01, -47.19)
CIE-LCH	lch(23.94, 51.25, 292.98°)
OKLab	oklab(35.15% -0.0155 -0.1364)
OKLCH	oklch(35.15% 0.137 263.5)
XYZ	xyz(5.3943, 4.0806, 21.2679)
Luminance	0.0408 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123381 #816012

analogous

#126B81 #123381 #291281

triadic

#123381 #811233 #338112

tetradic

#123381 #81126B #816012 #128129

square

#123381 #81126B #816012 #128129

split-complementary

#123381 #812912 #6B8112

monochromatic

#040B1B #0B1E4B #123381 #1948B7 #2C62E2

Accessibility & contrast

On white

11.56

#123381 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#123381 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123381

11.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123381	#FFFFFF	#000000	##FFFFFF
##123381	1.00	11.56	1.82	11.56
#FFFFFF	11.56	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E84

Deuteranopia (green-blind)

#003480

Tritanopia (blue-blind)

#004754

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #123381;
/* rgb */ color: rgb(18, 51, 129);
/* oklch */ color: oklch(35.2% 0.137 263.5);

Tailwind

colors: {
  custom: {
    50: '#666aa6',
    500: '#123381',
    950: '#000000',
  },
}

SCSS

$custom: #123381;
$custom-light: #666aa6;
$custom-dark: #000000;

JSON

{
  "hex": "#123381",
  "rgb": {
    "r": 18,
    "g": 51,
    "b": 129
  },
  "hsl": {
    "h": 222.162,
    "s": 75.51,
    "l": 28.824
  },
  "oklch": {
    "l": 0.35154,
    "c": 0.13732,
    "h": 263.5
  },
  "luminance": 0.04081
}

Semantic roles & 50–950 ramp

primary

#123381

secondary

#B79138

accent

#BA36F2

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #123381

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

Preview Lab → · Contrast checker → · Palette generator →