#12297E#12297E

#12297E is a dark, vivid blue. Relative luminance 0.032; OKLCH L 32.8% C 0.146 H 266.2°. Best body text is #FFFFFF at 12.77:1 contrast (WCAG AA passes).

Color values

HEX	#12297E
RGB	rgb(18, 41, 126)
HSL	hsl(227, 75%, 28%)
HSV	hsv(227, 86%, 49%)
CMYK	cmyk(85.7%, 67.5%, 0%, 50.6%)
CIE-LAB	lab(20.91, 25.83, -50.25)
CIE-LCH	lch(20.91, 56.50, 297.20°)
OKLab	oklab(32.82% -0.0098 -0.1456)
OKLCH	oklch(32.82% 0.146 266.2)
XYZ	xyz(4.8070, 3.2202, 20.1028)
Luminance	0.0322 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12297E #7E6712

analogous

#125F7E #12297E #31127E

triadic

#12297E #7E1229 #297E12

tetradic

#12297E #7E125F #7E6712 #127E31

square

#12297E #7E125F #7E6712 #127E31

split-complementary

#12297E #7E3112 #5F7E12

monochromatic

#04091B #0A1848 #12297E #1A3AB4 #2A51E1

Accessibility & contrast

On white

12.77

#12297E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#12297E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12297E

12.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12297E	#FFFFFF	#000000	##FFFFFF
##12297E	1.00	12.77	1.64	12.77
#FFFFFF	12.77	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003781

Deuteranopia (green-blind)

#002D7C

Tritanopia (blue-blind)

#00404F

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #12297e;
/* rgb */ color: rgb(18, 41, 126);
/* oklch */ color: oklch(32.8% 0.146 266.2);

Tailwind

colors: {
  custom: {
    50: '#6662a4',
    500: '#12297e',
    950: '#000000',
  },
}

SCSS

$custom: #12297e;
$custom-light: #6662a4;
$custom-dark: #000000;

JSON

{
  "hex": "#12297e",
  "rgb": {
    "r": 18,
    "g": 41,
    "b": 126
  },
  "hsl": {
    "h": 227.222,
    "s": 75,
    "l": 28.235
  },
  "oklch": {
    "l": 0.32816,
    "c": 0.1459,
    "h": 266.2
  },
  "luminance": 0.03221
}

Semantic roles & 50–950 ramp

primary

#12297E

secondary

#B49938

accent

#CA36F2

background

#F6F5FA

surface

#EBEAF4

border

#C6C6CE

text

#07050F

muted

#7A797F

Preview Lab

Preview with #12297E

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

Preview Lab → · Contrast checker → · Palette generator →