#12275C#12275C

#12275C is a dark, moderate blue. Relative luminance 0.024; OKLCH L 29.1% C 0.099 H 264.6°. Best body text is #FFFFFF at 14.28:1 contrast (WCAG AA passes).

Color values

HEX	#12275C
RGB	rgb(18, 39, 92)
HSL	hsl(223, 67%, 22%)
HSV	hsv(223, 80%, 36%)
CMYK	cmyk(80.4%, 57.6%, 0%, 63.9%)
CIE-LAB	lab(17.24, 13.09, -34.19)
CIE-LCH	lch(17.24, 36.61, 290.95°)
OKLab	oklab(29.12% -0.0092 -0.0985)
OKLCH	oklch(29.12% 0.099 264.6)
XYZ	xyz(2.9061, 2.3520, 10.4240)
Luminance	0.0235 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12275C #5C4712

analogous

#124C5C #12275C #22125C

triadic

#12275C #5C1227 #275C12

tetradic

#12275C #5C124C #5C4712 #125C22

square

#12275C #5C124C #5C4712 #125C22

split-complementary

#12275C #5C2212 #4C5C12

monochromatic

#050B1A #081129 #12275C #1C3D8F #2652C2

Accessibility & contrast

On white

14.28

#12275C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#12275C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12275C

14.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12275C	#FFFFFF	#000000	##FFFFFF
##12275C	1.00	14.28	1.47	14.28
#FFFFFF	14.28	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#012E5E

Deuteranopia (green-blind)

#00275B

Tritanopia (blue-blind)

#00343D

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #12275c;
/* rgb */ color: rgb(18, 39, 92);
/* oklch */ color: oklch(29.1% 0.099 264.6);

Tailwind

colors: {
  custom: {
    50: '#5c608b',
    500: '#12275c',
    950: '#000000',
  },
}

SCSS

$custom: #12275c;
$custom-light: #5c608b;
$custom-dark: #000000;

JSON

{
  "hex": "#12275c",
  "rgb": {
    "r": 18,
    "g": 39,
    "b": 92
  },
  "hsl": {
    "h": 222.973,
    "s": 67.273,
    "l": 21.569
  },
  "oklch": {
    "l": 0.2912,
    "c": 0.09891,
    "h": 264.6
  },
  "luminance": 0.02352
}

Semantic roles & 50–950 ramp

primary

#12275C

secondary

#947935

accent

#B93EEA

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#05040C

muted

#79797D

Preview Lab

Preview with #12275C

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

Preview Lab → · Contrast checker → · Palette generator →