#12205B#12205B

#12205B is a dark, moderate blue. Relative luminance 0.019; OKLCH L 27.4% C 0.107 H 268.1°. Best body text is #FFFFFF at 15.18:1 contrast (WCAG AA passes).

Color values

HEX	#12205B
RGB	rgb(18, 32, 91)
HSL	hsl(228, 67%, 21%)
HSV	hsv(228, 80%, 36%)
CMYK	cmyk(80.2%, 64.8%, 0%, 64.3%)
CIE-LAB	lab(15.04, 17.87, -37.09)
CIE-LCH	lch(15.04, 41.17, 295.73°)
OKLab	oklab(27.45% -0.0035 -0.1071)
OKLCH	oklch(27.45% 0.107 268.1)
XYZ	xyz(2.6536, 1.9167, 10.1256)
Luminance	0.0192 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12205B #5B4D12

analogous

#12455B #12205B #29125B

triadic

#12205B #5B1220 #205B12

tetradic

#12205B #5B1245 #5B4D12 #125B29

square

#12205B #5B1245 #5B4D12 #125B29

split-complementary

#12205B #5B2912 #455B12

monochromatic

#05091A #080E28 #12205B #1C328E #2644C1

Accessibility & contrast

On white

15.18

#12205B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#12205B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12205B

15.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12205B	#FFFFFF	#000000	##FFFFFF
##12205B	1.00	15.18	1.38	15.18
#FFFFFF	15.18	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00295D

Deuteranopia (green-blind)

#00225A

Tritanopia (blue-blind)

#002F3A

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #12205b;
/* rgb */ color: rgb(18, 32, 91);
/* oklch */ color: oklch(27.4% 0.107 268.1);

Tailwind

colors: {
  custom: {
    50: '#5d5b8a',
    500: '#12205b',
    950: '#000000',
  },
}

SCSS

$custom: #12205b;
$custom-light: #5d5b8a;
$custom-dark: #000000;

JSON

{
  "hex": "#12205b",
  "rgb": {
    "r": 18,
    "g": 32,
    "b": 91
  },
  "hsl": {
    "h": 228.493,
    "s": 66.972,
    "l": 21.373
  },
  "oklch": {
    "l": 0.27447,
    "c": 0.10718,
    "h": 268.1
  },
  "luminance": 0.01917
}

Semantic roles & 50–950 ramp

primary

#12205B

secondary

#938135

accent

#C93EEA

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#05040C

muted

#79797D

Preview Lab

Preview with #12205B

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

Preview Lab → · Contrast checker → · Palette generator →