#123881#123881

#123881 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.2% C 0.131 H 261.7°. Best body text is #FFFFFF at 11.00:1 contrast (WCAG AA passes).

Color values

HEX	#123881
RGB	rgb(18, 56, 129)
HSL	hsl(219, 76%, 29%)
HSV	hsv(219, 86%, 51%)
CMYK	cmyk(86%, 56.6%, 0%, 49.4%)
CIE-LAB	lab(25.39, 16.46, -44.83)
CIE-LCH	lch(25.39, 47.75, 290.16°)
OKLab	oklab(36.25% -0.0188 -0.1294)
OKLCH	oklch(36.25% 0.131 261.7)
XYZ	xyz(5.6246, 4.5412, 21.3447)
Luminance	0.0454 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123881 #815B12

analogous

#127081 #123881 #231281

triadic

#123881 #811238 #388112

tetradic

#123881 #811270 #815B12 #128123

square

#123881 #811270 #815B12 #128123

split-complementary

#123881 #812312 #708112

monochromatic

#040C1B #0B214B #123881 #194FB7 #2C6AE2

Accessibility & contrast

On white

11.00

#123881 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#123881 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123881

11.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123881	#FFFFFF	#000000	##FFFFFF
##123881	1.00	11.00	1.91	11.00
#FFFFFF	11.00	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004184

Deuteranopia (green-blind)

#003780

Tritanopia (blue-blind)

#004A56

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #123881;
/* rgb */ color: rgb(18, 56, 129);
/* oklch */ color: oklch(36.2% 0.131 261.7);

Tailwind

colors: {
  custom: {
    50: '#666ea6',
    500: '#123881',
    950: '#000000',
  },
}

SCSS

$custom: #123881;
$custom-light: #666ea6;
$custom-dark: #000000;

JSON

{
  "hex": "#123881",
  "rgb": {
    "r": 18,
    "g": 56,
    "b": 129
  },
  "hsl": {
    "h": 219.459,
    "s": 75.51,
    "l": 28.824
  },
  "oklch": {
    "l": 0.36247,
    "c": 0.13078,
    "h": 261.7
  },
  "luminance": 0.04542
}

Semantic roles & 50–950 ramp

primary

#123881

secondary

#B78B38

accent

#B236F2

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #123881

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

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