#12307C#12307C

#12307C is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.0% C 0.134 H 264.1°. Best body text is #FFFFFF at 12.07:1 contrast (WCAG AA passes).

Color values

HEX	#12307C
RGB	rgb(18, 48, 124)
HSL	hsl(223, 75%, 28%)
HSV	hsv(223, 85%, 49%)
CMYK	cmyk(85.5%, 61.3%, 0%, 51.4%)
CIE-LAB	lab(22.64, 20.07, -46.14)
CIE-LCH	lch(22.64, 50.32, 293.50°)
OKLab	oklab(34.05% -0.0138 -0.1334)
OKLCH	oklch(34.05% 0.134 264.1)
XYZ	xyz(4.9432, 3.6971, 19.5180)
Luminance	0.0370 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12307C #7C5E12

analogous

#12657C #12307C #29127C

triadic

#12307C #7C1230 #307C12

tetradic

#12307C #7C1265 #7C5E12 #127C29

square

#12307C #7C1265 #7C5E12 #127C29

split-complementary

#12307C #7C2912 #657C12

monochromatic

#040A1B #0A1B47 #12307C #1A45B1 #295CE0

Accessibility & contrast

On white

12.07

#12307C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#12307C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12307C

12.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12307C	#FFFFFF	#000000	##FFFFFF
##12307C	1.00	12.07	1.74	12.07
#FFFFFF	12.07	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B7F

Deuteranopia (green-blind)

#00317B

Tritanopia (blue-blind)

#004351

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #12307c;
/* rgb */ color: rgb(18, 48, 124);
/* oklch */ color: oklch(34.0% 0.134 264.1);

Tailwind

colors: {
  custom: {
    50: '#6567a3',
    500: '#12307c',
    950: '#000000',
  },
}

SCSS

$custom: #12307c;
$custom-light: #6567a3;
$custom-dark: #000000;

JSON

{
  "hex": "#12307c",
  "rgb": {
    "r": 18,
    "g": 48,
    "b": 124
  },
  "hsl": {
    "h": 223.019,
    "s": 74.648,
    "l": 27.843
  },
  "oklch": {
    "l": 0.34049,
    "c": 0.13414,
    "h": 264.1
  },
  "luminance": 0.03698
}

Semantic roles & 50–950 ramp

primary

#12307C

secondary

#B28F38

accent

#BC37F1

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #12307C

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

Preview Lab → · Contrast checker → · Palette generator →