#12438F#12438F

#12438F is a dark, vivid blue. Relative luminance 0.061; OKLCH L 39.9% C 0.136 H 259.5°. Best body text is #FFFFFF at 9.44:1 contrast (WCAG AA passes).

Color values

HEX	#12438F
RGB	rgb(18, 67, 143)
HSL	hsl(216, 78%, 32%)
HSV	hsv(216, 87%, 56%)
CMYK	cmyk(87.4%, 53.1%, 0%, 43.9%)
CIE-LAB	lab(29.73, 14.59, -46.48)
CIE-LCH	lch(29.73, 48.71, 287.43°)
OKLab	oklab(39.9% -0.0248 -0.134)
OKLCH	oklch(39.9% 0.136 259.5)
XYZ	xyz(7.2127, 6.1252, 26.7834)
Luminance	0.0613 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12438F #8F5E12

analogous

#12828F #12438F #20128F

triadic

#12438F #8F1243 #438F12

tetradic

#12438F #8F1282 #8F5E12 #128F20

square

#12438F #8F1282 #8F5E12 #128F20

split-complementary

#12438F #8F2012 #828F12

monochromatic

#041022 #0B2A59 #12438F #195CC5 #367BE6

Accessibility & contrast

On white

9.44

#12438F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#12438F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12438F

9.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12438F	#FFFFFF	#000000	##FFFFFF
##12438F	1.00	9.44	2.23	9.44
#FFFFFF	9.44	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C4C92

Deuteranopia (green-blind)

#00418E

Tritanopia (blue-blind)

#005662

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #12438f;
/* rgb */ color: rgb(18, 67, 143);
/* oklch */ color: oklch(39.9% 0.136 259.5);

Tailwind

colors: {
  custom: {
    50: '#6976b0',
    500: '#12438f',
    950: '#000000',
  },
}

SCSS

$custom: #12438f;
$custom-light: #6976b0;
$custom-dark: #000000;

JSON

{
  "hex": "#12438f",
  "rgb": {
    "r": 18,
    "g": 67,
    "b": 143
  },
  "hsl": {
    "h": 216.48,
    "s": 77.64,
    "l": 31.569
  },
  "oklch": {
    "l": 0.39895,
    "c": 0.13631,
    "h": 259.5
  },
  "luminance": 0.06126
}

Semantic roles & 50–950 ramp

primary

#12438F

secondary

#C38D3A

accent

#A934F4

background

#F6F7FA

surface

#ECEDF5

border

#C7C8CF

text

#070811

muted

#7A7B80

Preview Lab

Preview with #12438F

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

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