#12397A#12397A

#12397A is a dark, moderate blue. Relative luminance 0.045; OKLCH L 35.9% C 0.119 H 260.2°. Best body text is #FFFFFF at 11.10:1 contrast (WCAG AA passes).

Color values

HEX	#12397A
RGB	rgb(18, 57, 122)
HSL	hsl(218, 74%, 27%)
HSV	hsv(218, 85%, 48%)
CMYK	cmyk(85.2%, 53.3%, 0%, 52.2%)
CIE-LAB	lab(25.14, 12.80, -40.83)
CIE-LCH	lch(25.14, 42.79, 287.41°)
OKLab	oklab(35.88% -0.0203 -0.1176)
OKLCH	oklch(35.88% 0.119 260.2)
XYZ	xyz(5.2242, 4.4594, 18.9940)
Luminance	0.0446 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12397A #7A5312

analogous

#126D7A #12397A #1F127A

triadic

#12397A #7A1239 #397A12

tetradic

#12397A #7A126D #7A5312 #127A1F

square

#12397A #7A126D #7A5312 #127A1F

split-complementary

#12397A #7A1F12 #6D7A12

monochromatic

#040C1B #0A2045 #12397A #1A52AF #276CDF

Accessibility & contrast

On white

11.10

#12397A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#12397A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12397A

11.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12397A	#FFFFFF	#000000	##FFFFFF
##12397A	1.00	11.10	1.89	11.10
#FFFFFF	11.10	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D417C

Deuteranopia (green-blind)

#003779

Tritanopia (blue-blind)

#004953

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #12397a;
/* rgb */ color: rgb(18, 57, 122);
/* oklch */ color: oklch(35.9% 0.119 260.2);

Tailwind

colors: {
  custom: {
    50: '#646ea1',
    500: '#12397a',
    950: '#000000',
  },
}

SCSS

$custom: #12397a;
$custom-light: #646ea1;
$custom-dark: #000000;

JSON

{
  "hex": "#12397a",
  "rgb": {
    "r": 18,
    "g": 57,
    "b": 122
  },
  "hsl": {
    "h": 217.5,
    "s": 74.286,
    "l": 27.451
  },
  "oklch": {
    "l": 0.35883,
    "c": 0.11938,
    "h": 260.2
  },
  "luminance": 0.0446
}

Semantic roles & 50–950 ramp

primary

#12397A

secondary

#B08338

accent

#AB37F1

background

#F6F6FA

surface

#EBEBF3

border

#C6C6CD

text

#06070F

muted

#7A7A7F

Preview Lab

Preview with #12397A

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

Preview Lab → · Contrast checker → · Palette generator →