#12255F#12255F

#12255F is a dark, moderate blue. Relative luminance 0.023; OKLCH L 28.9% C 0.106 H 266.1°. Best body text is #FFFFFF at 14.43:1 contrast (WCAG AA passes).

Color values

HEX	#12255F
RGB	rgb(18, 37, 95)
HSL	hsl(225, 68%, 22%)
HSV	hsv(225, 81%, 37%)
CMYK	cmyk(81.1%, 61.1%, 0%, 62.7%)
CIE-LAB	lab(16.88, 15.86, -36.76)
CIE-LCH	lch(16.88, 40.03, 293.34°)
OKLab	oklab(28.93% -0.0073 -0.1061)
OKLCH	oklch(28.93% 0.106 266.1)
XYZ	xyz(2.9759, 2.2776, 11.1070)
Luminance	0.0228 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12255F #5F4C12

analogous

#124C5F #12255F #26125F

triadic

#12255F #5F1225 #255F12

tetradic

#12255F #5F124C #5F4C12 #125F26

square

#12255F #5F124C #5F4C12 #125F26

split-complementary

#12255F #5F2612 #4C5F12

monochromatic

#050A1A #08112C #12255F #1C3992 #254DC6

Accessibility & contrast

On white

14.43

#12255F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#12255F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12255F

14.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12255F	#FFFFFF	#000000	##FFFFFF
##12255F	1.00	14.43	1.46	14.43
#FFFFFF	14.43	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D61

Deuteranopia (green-blind)

#00265E

Tritanopia (blue-blind)

#00333E

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #12255f;
/* rgb */ color: rgb(18, 37, 95);
/* oklch */ color: oklch(28.9% 0.106 266.1);

Tailwind

colors: {
  custom: {
    50: '#5d5f8d',
    500: '#12255f',
    950: '#000000',
  },
}

SCSS

$custom: #12255f;
$custom-light: #5d5f8d;
$custom-dark: #000000;

JSON

{
  "hex": "#12255f",
  "rgb": {
    "r": 18,
    "g": 37,
    "b": 95
  },
  "hsl": {
    "h": 225.195,
    "s": 68.142,
    "l": 22.157
  },
  "oklch": {
    "l": 0.28933,
    "c": 0.10632,
    "h": 266.1
  },
  "luminance": 0.02278
}

Semantic roles & 50–950 ramp

primary

#12255F

secondary

#977F36

accent

#C03DEB

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05040C

muted

#79797D

Preview Lab

Preview with #12255F

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

Preview Lab → · Contrast checker → · Palette generator →