#135F81#135F81

#135F81 is a mid, moderate cyan. Relative luminance 0.099; OKLCH L 45.8% C 0.088 H 233.7°. Best body text is #FFFFFF at 7.04:1 contrast (WCAG AA passes).

Color values

HEX	#135F81
RGB	rgb(19, 95, 129)
HSL	hsl(199, 74%, 29%)
HSV	hsv(199, 85%, 51%)
CMYK	cmyk(85.3%, 26.4%, 0%, 49.4%)
CIE-LAB	lab(37.67, -9.34, -25.24)
CIE-LCH	lch(37.67, 26.91, 249.70°)
OKLab	oklab(45.85% -0.0522 -0.0713)
OKLCH	oklch(45.85% 0.088 233.7)
XYZ	xyz(8.3216, 9.9068, 22.2382)
Luminance	0.0991 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#135F81 #813513

analogous

#13816C #135F81 #132881

triadic

#135F81 #81135F #5F8113

tetradic

#135F81 #6C1381 #813513 #288113

square

#135F81 #6C1381 #813513 #288113

split-complementary

#135F81 #811328 #816C13

monochromatic

#04141B #0B384C #135F81 #1B86B6 #2EA9E0

Accessibility & contrast

On white

7.04

#135F81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#135F81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #135F81

7.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##135F81	#FFFFFF	#000000	##FFFFFF
##135F81	1.00	7.04	2.98	7.04
#FFFFFF	7.04	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E5E83

Deuteranopia (green-blind)

#405480

Tritanopia (blue-blind)

#00686B

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #135f81;
/* rgb */ color: rgb(19, 95, 129);
/* oklch */ color: oklch(45.8% 0.088 233.7);

Tailwind

colors: {
  custom: {
    50: '#668ca5',
    500: '#135f81',
    950: '#000000',
  },
}

SCSS

$custom: #135f81;
$custom-light: #668ca5;
$custom-dark: #000000;

JSON

{
  "hex": "#135f81",
  "rgb": {
    "r": 19,
    "g": 95,
    "b": 129
  },
  "hsl": {
    "h": 198.545,
    "s": 74.324,
    "l": 29.02
  },
  "oklch": {
    "l": 0.45847,
    "c": 0.08836,
    "h": 233.7
  },
  "luminance": 0.09908
}

Semantic roles & 50–950 ramp

primary

#135F81

secondary

#B6603A

accent

#7037F1

background

#F6F8FA

surface

#EBF0F4

border

#C6CBCE

text

#070C0F

muted

#7A7D7F

Preview Lab

Preview with #135F81

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

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