#12307E#12307E

#12307E is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.2% C 0.137 H 264.2°. Best body text is #FFFFFF at 12.00:1 contrast (WCAG AA passes).

Color values

HEX	#12307E
RGB	rgb(18, 48, 126)
HSL	hsl(223, 75%, 28%)
HSV	hsv(223, 86%, 49%)
CMYK	cmyk(85.7%, 61.9%, 0%, 50.6%)
CIE-LAB	lab(22.82, 20.90, -47.12)
CIE-LCH	lch(22.82, 51.54, 293.92°)
OKLab	oklab(34.24% -0.0137 -0.1363)
OKLCH	oklch(34.24% 0.137 264.2)
XYZ	xyz(5.0710, 3.7482, 20.1908)
Luminance	0.0375 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12307E #7E6012

analogous

#12667E #12307E #2A127E

triadic

#12307E #7E1230 #307E12

tetradic

#12307E #7E1266 #7E6012 #127E2A

square

#12307E #7E1266 #7E6012 #127E2A

split-complementary

#12307E #7E2A12 #667E12

monochromatic

#040A1B #0A1C48 #12307E #1A44B4 #2A5DE1

Accessibility & contrast

On white

12.00

#12307E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#12307E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12307E

12.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12307E	#FFFFFF	#000000	##FFFFFF
##12307E	1.00	12.00	1.75	12.00
#FFFFFF	12.00	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C81

Deuteranopia (green-blind)

#00327D

Tritanopia (blue-blind)

#004452

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #12307e;
/* rgb */ color: rgb(18, 48, 126);
/* oklch */ color: oklch(34.2% 0.137 264.2);

Tailwind

colors: {
  custom: {
    50: '#6567a4',
    500: '#12307e',
    950: '#000000',
  },
}

SCSS

$custom: #12307e;
$custom-light: #6567a4;
$custom-dark: #000000;

JSON

{
  "hex": "#12307e",
  "rgb": {
    "r": 18,
    "g": 48,
    "b": 126
  },
  "hsl": {
    "h": 223.333,
    "s": 75,
    "l": 28.235
  },
  "oklch": {
    "l": 0.34237,
    "c": 0.13698,
    "h": 264.2
  },
  "luminance": 0.03749
}

Semantic roles & 50–950 ramp

primary

#12307E

secondary

#B49138

accent

#BE36F2

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #12307E

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

Preview Lab → · Contrast checker → · Palette generator →