#12407B#12407B

#12407B is a dark, moderate cyan. Relative luminance 0.052; OKLCH L 37.6% C 0.112 H 256.7°. Best body text is #FFFFFF at 10.27:1 contrast (WCAG AA passes).

Color values

HEX	#12407B
RGB	rgb(18, 64, 123)
HSL	hsl(214, 74%, 28%)
HSV	hsv(214, 85%, 48%)
CMYK	cmyk(85.4%, 48%, 0%, 51.8%)
CIE-LAB	lab(27.37, 8.29, -37.86)
CIE-LCH	lch(27.37, 38.76, 282.35°)
OKLab	oklab(37.62% -0.0258 -0.1087)
OKLCH	oklch(37.62% 0.112 256.7)
XYZ	xyz(5.6567, 5.2248, 19.4454)
Luminance	0.0522 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12407B #7B4D12

analogous

#12757B #12407B #18127B

triadic

#12407B #7B1240 #407B12

tetradic

#12407B #7B1275 #7B4D12 #127B18

square

#12407B #7B1275 #7B4D12 #127B18

split-complementary

#12407B #7B1812 #757B12

monochromatic

#040E1B #0A2446 #12407B #1A5CB0 #2878E0

Accessibility & contrast

On white

10.27

#12407B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#12407B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12407B

10.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12407B	#FFFFFF	#000000	##FFFFFF
##12407B	1.00	10.27	2.05	10.27
#FFFFFF	10.27	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#20467D

Deuteranopia (green-blind)

#043C7A

Tritanopia (blue-blind)

#004E57

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #12407b;
/* rgb */ color: rgb(18, 64, 123);
/* oklch */ color: oklch(37.6% 0.112 256.7);

Tailwind

colors: {
  custom: {
    50: '#6474a2',
    500: '#12407b',
    950: '#000000',
  },
}

SCSS

$custom: #12407b;
$custom-light: #6474a2;
$custom-dark: #000000;

JSON

{
  "hex": "#12407b",
  "rgb": {
    "r": 18,
    "g": 64,
    "b": 123
  },
  "hsl": {
    "h": 213.714,
    "s": 74.468,
    "l": 27.647
  },
  "oklch": {
    "l": 0.3762,
    "c": 0.11176,
    "h": 256.7
  },
  "luminance": 0.05225
}

Semantic roles & 50–950 ramp

primary

#12407B

secondary

#B17C38

accent

#9F37F1

background

#F6F7FA

surface

#EBEDF3

border

#C6C8CD

text

#06080F

muted

#7A7B7F

Preview Lab

Preview with #12407B

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

Preview Lab → · Contrast checker → · Palette generator →