#135F7B#135F7B

#135F7B is a mid, moderate cyan. Relative luminance 0.098; OKLCH L 45.5% C 0.083 H 228.6°. Best body text is #FFFFFF at 7.12:1 contrast (WCAG AA passes).

Color values

HEX	#135F7B
RGB	rgb(19, 95, 123)
HSL	hsl(196, 73%, 28%)
HSV	hsv(196, 85%, 48%)
CMYK	cmyk(84.6%, 22.8%, 0%, 51.8%)
CIE-LAB	lab(37.39, -11.62, -22.01)
CIE-LCH	lch(37.39, 24.89, 242.16°)
OKLab	oklab(45.53% -0.0546 -0.0619)
OKLCH	oklch(45.53% 0.083 228.6)
XYZ	xyz(7.9344, 9.7519, 20.1992)
Luminance	0.0975 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#135F7B #7B2F13

analogous

#137B63 #135F7B #132B7B

triadic

#135F7B #7B135F #5F7B13

tetradic

#135F7B #63137B #7B2F13 #2B7B13

square

#135F7B #63137B #7B2F13 #2B7B13

split-complementary

#135F7B #7B132B #7B6313

monochromatic

#04141B #0B3646 #135F7B #1B88B0 #2AAEDE

Accessibility & contrast

On white

7.12

#135F7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#135F7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #135F7B

7.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##135F7B	#FFFFFF	#000000	##FFFFFF
##135F7B	1.00	7.12	2.95	7.12
#FFFFFF	7.12	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#505D7C

Deuteranopia (green-blind)

#43547B

Tritanopia (blue-blind)

#006768

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #135f7b;
/* rgb */ color: rgb(19, 95, 123);
/* oklch */ color: oklch(45.5% 0.083 228.6);

Tailwind

colors: {
  custom: {
    50: '#658ca1',
    500: '#135f7b',
    950: '#000000',
  },
}

SCSS

$custom: #135f7b;
$custom-light: #658ca1;
$custom-dark: #000000;

JSON

{
  "hex": "#135f7b",
  "rgb": {
    "r": 19,
    "g": 95,
    "b": 123
  },
  "hsl": {
    "h": 196.154,
    "s": 73.239,
    "l": 27.843
  },
  "oklch": {
    "l": 0.45529,
    "c": 0.08253,
    "h": 228.6
  },
  "luminance": 0.09753
}

Semantic roles & 50–950 ramp

primary

#135F7B

secondary

#B15939

accent

#6938F0

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#060C0F

muted

#7A7D7E

Preview Lab

Preview with #135F7B

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

Preview Lab → · Contrast checker → · Palette generator →