#12247E#12247E

#12247E is a dark, vivid blue. Relative luminance 0.029; OKLCH L 31.9% C 0.152 H 267.2°. Best body text is #FFFFFF at 13.30:1 contrast (WCAG AA passes).

Color values

HEX	#12247E
RGB	rgb(18, 36, 126)
HSL	hsl(230, 75%, 28%)
HSV	hsv(230, 86%, 49%)
CMYK	cmyk(85.7%, 71.4%, 0%, 50.6%)
CIE-LAB	lab(19.62, 29.26, -52.36)
CIE-LCH	lch(19.62, 59.98, 299.19°)
OKLab	oklab(31.88% -0.0074 -0.1517)
OKLCH	oklch(31.88% 0.152 267.2)
XYZ	xyz(4.6449, 2.8961, 20.0488)
Luminance	0.0290 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12247E #7E6C12

analogous

#125A7E #12247E #36127E

triadic

#12247E #7E1224 #247E12

tetradic

#12247E #7E125A #7E6C12 #127E36

square

#12247E #7E125A #7E6C12 #127E36

split-complementary

#12247E #7E3612 #5A7E12

monochromatic

#04081B #0A1548 #12247E #1A33B4 #2A48E1

Accessibility & contrast

On white

13.30

#12247E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#12247E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12247E

13.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12247E	#FFFFFF	#000000	##FFFFFF
##12247E	1.00	13.30	1.58	13.30
#FFFFFF	13.30	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003581

Deuteranopia (green-blind)

#002A7C

Tritanopia (blue-blind)

#003D4E

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #12247e;
/* rgb */ color: rgb(18, 36, 126);
/* oklch */ color: oklch(31.9% 0.152 267.2);

Tailwind

colors: {
  custom: {
    50: '#675fa4',
    500: '#12247e',
    950: '#000000',
  },
}

SCSS

$custom: #12247e;
$custom-light: #675fa4;
$custom-dark: #000000;

JSON

{
  "hex": "#12247e",
  "rgb": {
    "r": 18,
    "g": 36,
    "b": 126
  },
  "hsl": {
    "h": 230,
    "s": 75,
    "l": 28.235
  },
  "oklch": {
    "l": 0.31879,
    "c": 0.15193,
    "h": 267.2
  },
  "luminance": 0.02897
}

Semantic roles & 50–950 ramp

primary

#12247E

secondary

#B49F38

accent

#D236F2

background

#F6F5FA

surface

#EBE9F4

border

#C6C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #12247E

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

Preview Lab → · Contrast checker → · Palette generator →