#12388F#12388F

#12388F is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.5% C 0.150 H 263.2°. Best body text is #FFFFFF at 10.56:1 contrast (WCAG AA passes).

Color values

HEX	#12388F
RGB	rgb(18, 56, 143)
HSL	hsl(222, 78%, 32%)
HSV	hsv(222, 87%, 56%)
CMYK	cmyk(87.4%, 60.8%, 0%, 43.9%)
CIE-LAB	lab(26.56, 22.26, -51.62)
CIE-LCH	lch(26.56, 56.22, 293.33°)
OKLab	oklab(37.5% -0.0178 -0.1494)
OKLCH	oklch(37.5% 0.15 263.2)
XYZ	xyz(6.6198, 4.9393, 26.5858)
Luminance	0.0494 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12388F #8F6912

analogous

#12778F #12388F #2B128F

triadic

#12388F #8F1238 #388F12

tetradic

#12388F #8F1277 #8F6912 #128F2B

square

#12388F #8F1277 #8F6912 #128F2B

split-complementary

#12388F #8F2B12 #778F12

monochromatic

#040D22 #0B2359 #12388F #194DC5 #366BE6

Accessibility & contrast

On white

10.56

#12388F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#12388F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12388F

10.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12388F	#FFFFFF	#000000	##FFFFFF
##12388F	1.00	10.56	1.99	10.56
#FFFFFF	10.56	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004592

Deuteranopia (green-blind)

#00398D

Tritanopia (blue-blind)

#004E5E

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #12388f;
/* rgb */ color: rgb(18, 56, 143);
/* oklch */ color: oklch(37.5% 0.150 263.2);

Tailwind

colors: {
  custom: {
    50: '#6a6eb1',
    500: '#12388f',
    950: '#000000',
  },
}

SCSS

$custom: #12388f;
$custom-light: #6a6eb1;
$custom-dark: #000000;

JSON

{
  "hex": "#12388f",
  "rgb": {
    "r": 18,
    "g": 56,
    "b": 143
  },
  "hsl": {
    "h": 221.76,
    "s": 77.64,
    "l": 31.569
  },
  "oklch": {
    "l": 0.375,
    "c": 0.15043,
    "h": 263.2
  },
  "luminance": 0.0494
}

Semantic roles & 50–950 ramp

primary

#12388F

secondary

#C3993A

accent

#BA34F4

background

#F6F6FB

surface

#ECEBF6

border

#C7C6D0

text

#080711

muted

#7A7A80

Preview Lab

Preview with #12388F

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

Preview Lab → · Contrast checker → · Palette generator →