#12255A#12255A

#12255A is a dark, moderate blue. Relative luminance 0.022; OKLCH L 28.5% C 0.099 H 265.5°. Best body text is #FFFFFF at 14.60:1 contrast (WCAG AA passes).

Color values

HEX	#12255A
RGB	rgb(18, 37, 90)
HSL	hsl(224, 67%, 21%)
HSV	hsv(224, 80%, 35%)
CMYK	cmyk(80%, 58.9%, 0%, 64.7%)
CIE-LAB	lab(16.45, 13.72, -34.13)
CIE-LCH	lch(16.45, 36.78, 291.91°)
OKLab	oklab(28.48% -0.0077 -0.0983)
OKLCH	oklch(28.48% 0.099 265.5)
XYZ	xyz(2.7558, 2.1896, 9.9483)
Luminance	0.0219 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12255A #5A4712

analogous

#12495A #12255A #23125A

triadic

#12255A #5A1225 #255A12

tetradic

#12255A #5A1249 #5A4712 #125A23

square

#12255A #5A1249 #5A4712 #125A23

split-complementary

#12255A #5A2312 #495A12

monochromatic

#050A1A #081027 #12255A #1C3A8D #264FC0

Accessibility & contrast

On white

14.60

#12255A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#12255A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12255A

14.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12255A	#FFFFFF	#000000	##FFFFFF
##12255A	1.00	14.60	1.44	14.60
#FFFFFF	14.60	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C5C

Deuteranopia (green-blind)

#002659

Tritanopia (blue-blind)

#00323B

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #12255a;
/* rgb */ color: rgb(18, 37, 90);
/* oklch */ color: oklch(28.5% 0.099 265.5);

Tailwind

colors: {
  custom: {
    50: '#5c5f89',
    500: '#12255a',
    950: '#000000',
  },
}

SCSS

$custom: #12255a;
$custom-light: #5c5f89;
$custom-dark: #000000;

JSON

{
  "hex": "#12255a",
  "rgb": {
    "r": 18,
    "g": 37,
    "b": 90
  },
  "hsl": {
    "h": 224.167,
    "s": 66.667,
    "l": 21.176
  },
  "oklch": {
    "l": 0.28475,
    "c": 0.09864,
    "h": 265.5
  },
  "luminance": 0.0219
}

Semantic roles & 50–950 ramp

primary

#12255A

secondary

#937A35

accent

#BC3EEA

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#05040B

muted

#79797C

Preview Lab

Preview with #12255A

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

Preview Lab → · Contrast checker → · Palette generator →