#135A6B#135A6B

#135A6B is a dark, moderate cyan. Relative luminance 0.085; OKLCH L 43.4% C 0.071 H 218.2°. Best body text is #FFFFFF at 7.77:1 contrast (WCAG AA passes).

Color values

HEX	#135A6B
RGB	rgb(19, 90, 107)
HSL	hsl(192, 70%, 25%)
HSV	hsv(192, 82%, 42%)
CMYK	cmyk(82.2%, 15.9%, 0%, 58%)
CIE-LAB	lab(35.03, -14.66, -15.78)
CIE-LCH	lch(35.03, 21.54, 227.11°)
OKLab	oklab(43.4% -0.056 -0.0441)
OKLCH	oklch(43.4% 0.071 218.2)
XYZ	xyz(6.5774, 8.5115, 15.2033)
Luminance	0.0851 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#135A6B #6B2413

analogous

#136B50 #135A6B #132E6B

triadic

#135A6B #6B135A #5A6B13

tetradic

#135A6B #50136B #6B2413 #2E6B13

square

#135A6B #50136B #6B2413 #2E6B13

split-complementary

#135A6B #6B132E #6B5013

monochromatic

#05161A #0A2E37 #135A6B #1C869F #25B1D3

Accessibility & contrast

On white

7.77

#135A6B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#135A6B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #135A6B

7.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##135A6B	#FFFFFF	#000000	##FFFFFF
##135A6B	1.00	7.77	2.70	7.77
#FFFFFF	7.77	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F576C

Deuteranopia (green-blind)

#434F6B

Tritanopia (blue-blind)

#00605F

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #135a6b;
/* rgb */ color: rgb(19, 90, 107);
/* oklch */ color: oklch(43.4% 0.071 218.2);

Tailwind

colors: {
  custom: {
    50: '#618895',
    500: '#135a6b',
    950: '#000000',
  },
}

SCSS

$custom: #135a6b;
$custom-light: #618895;
$custom-dark: #000000;

JSON

{
  "hex": "#135a6b",
  "rgb": {
    "r": 19,
    "g": 90,
    "b": 107
  },
  "hsl": {
    "h": 191.591,
    "s": 69.841,
    "l": 24.706
  },
  "oklch": {
    "l": 0.43398,
    "c": 0.07132,
    "h": 218.2
  },
  "luminance": 0.08512
}

Semantic roles & 50–950 ramp

primary

#135A6B

secondary

#A24C38

accent

#5D3BED

background

#F6F8F9

surface

#EBF0F1

border

#C6CBCB

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #135A6B

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

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