#12858F#12858F

#12858F is a mid, moderate teal. Relative luminance 0.189; OKLCH L 56.4% C 0.093 H 204.5°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#12858F
RGB	rgb(18, 133, 143)
HSL	hsl(185, 78%, 32%)
HSV	hsv(185, 87%, 56%)
CMYK	cmyk(87.4%, 7%, 0%, 43.9%)
CIE-LAB	lab(50.55, -25.39, -13.80)
CIE-LCH	lch(50.55, 28.90, 208.52°)
OKLab	oklab(56.4% -0.0844 -0.0384)
OKLCH	oklch(56.4% 0.093 204.5)
XYZ	xyz(13.5927, 18.8851, 28.9100)
Luminance	0.1889 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12858F #8F1C12

analogous

#128F5B #12858F #12478F

triadic

#12858F #8F1285 #858F12

tetradic

#12858F #5B128F #8F1C12 #478F12

square

#12858F #5B128F #8F1C12 #478F12

split-complementary

#12858F #8F1247 #8F5B12

monochromatic

#042022 #0B5259 #12858F #19B8C5 #36D8E6

Accessibility & contrast

On white

4.40

#12858F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#12858F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #12858F

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12858F	#FFFFFF	#000000	##000000
##12858F	1.00	4.40	4.78	4.78
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.78	21.00	1.00	1.00
##000000	4.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#797F90

Deuteranopia (green-blind)

#69738F

Tritanopia (blue-blind)

#008B88

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #12858f;
/* rgb */ color: rgb(18, 133, 143);
/* oklch */ color: oklch(56.4% 0.093 204.5);

Tailwind

colors: {
  custom: {
    50: '#6ca9af',
    500: '#12858f',
    950: '#000000',
  },
}

SCSS

$custom: #12858f;
$custom-light: #6ca9af;
$custom-dark: #000000;

JSON

{
  "hex": "#12858f",
  "rgb": {
    "r": 18,
    "g": 133,
    "b": 143
  },
  "hsl": {
    "h": 184.8,
    "s": 77.64,
    "l": 31.569
  },
  "oklch": {
    "l": 0.56397,
    "c": 0.09273,
    "h": 204.5
  },
  "luminance": 0.18887
}

Semantic roles & 50–950 ramp

primary

#12858F

secondary

#C3453A

accent

#4334F4

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#081010

muted

#7B7F7F

Preview Lab

Preview with #12858F

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

Preview Lab → · Contrast checker → · Palette generator →