#12758D#12758D

#12758D is a mid, moderate cyan. Relative luminance 0.148; OKLCH L 52.1% C 0.090 H 219.7°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#12758D
RGB	rgb(18, 117, 141)
HSL	hsl(192, 77%, 31%)
HSV	hsv(192, 87%, 55%)
CMYK	cmyk(87.2%, 17%, 0%, 44.7%)
CIE-LAB	lab(45.32, -17.62, -20.61)
CIE-LCH	lch(45.32, 27.11, 229.47°)
OKLab	oklab(52.15% -0.0695 -0.0577)
OKLCH	oklch(52.15% 0.09 219.7)
XYZ	xyz(11.4164, 14.7728, 27.4439)
Luminance	0.1477 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12758D #8D2A12

analogous

#128D67 #12758D #12378D

triadic

#12758D #8D1275 #758D12

tetradic

#12758D #67128D #8D2A12 #378D12

square

#12758D #67128D #8D2A12 #378D12

split-complementary

#12758D #8D1237 #8D6712

monochromatic

#041B20 #0B4857 #12758D #19A2C3 #34C3E5

Accessibility & contrast

On white

5.31

#12758D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.95

#12758D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #12758D

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12758D	#FFFFFF	#000000	##FFFFFF
##12758D	1.00	5.31	3.95	5.31
#FFFFFF	5.31	1.00	21.00	1.00
#000000	3.95	21.00	1.00	21.00
##FFFFFF	5.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#66728E

Deuteranopia (green-blind)

#57668D

Tritanopia (blue-blind)

#007D7D

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #12758d;
/* rgb */ color: rgb(18, 117, 141);
/* oklch */ color: oklch(52.1% 0.090 219.7);

Tailwind

colors: {
  custom: {
    50: '#6a9dae',
    500: '#12758d',
    950: '#000000',
  },
}

SCSS

$custom: #12758d;
$custom-light: #6a9dae;
$custom-dark: #000000;

JSON

{
  "hex": "#12758d",
  "rgb": {
    "r": 18,
    "g": 117,
    "b": 141
  },
  "hsl": {
    "h": 191.707,
    "s": 77.358,
    "l": 31.176
  },
  "oklch": {
    "l": 0.52146,
    "c": 0.09035,
    "h": 219.7
  },
  "luminance": 0.14774
}

Semantic roles & 50–950 ramp

primary

#12758D

secondary

#C15439

accent

#5934F4

background

#F6F9FA

surface

#ECF2F4

border

#C7CCCE

text

#080E10

muted

#7A7E7F

Preview Lab

Preview with #12758D

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

Preview Lab → · Contrast checker → · Palette generator →