#10535B#10535B

#10535B is a dark, moderate teal. Relative luminance 0.071; OKLCH L 40.7% C 0.064 H 207.1°. Best body text is #FFFFFF at 8.71:1 contrast (WCAG AA passes).

Color values

HEX	#10535B
RGB	rgb(16, 83, 91)
HSL	hsl(186, 70%, 21%)
HSV	hsv(186, 82%, 36%)
CMYK	cmyk(82.4%, 8.8%, 0%, 64.3%)
CIE-LAB	lab(31.92, -16.82, -10.47)
CIE-LCH	lch(31.92, 19.82, 211.90°)
OKLab	oklab(40.66% -0.0569 -0.0291)
OKLCH	oklch(40.66% 0.064 207.1)
XYZ	xyz(5.1944, 7.0514, 10.9828)
Luminance	0.0705 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10535B #5B1810

analogous

#105B3D #10535B #102D5B

triadic

#10535B #5B1053 #535B10

tetradic

#10535B #3D105B #5B1810 #2D5B10

square

#10535B #3D105B #5B1810 #2D5B10

split-complementary

#10535B #5B102D #5B3D10

monochromatic

#05181A #072427 #10535B #19828F #22B2C3

Accessibility & contrast

On white

8.71

#10535B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#10535B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10535B

8.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10535B	#FFFFFF	#000000	##FFFFFF
##10535B	1.00	8.71	2.41	8.71
#FFFFFF	8.71	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B4F5C

Deuteranopia (green-blind)

#41485B

Tritanopia (blue-blind)

#005755

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #10535b;
/* rgb */ color: rgb(16, 83, 91);
/* oklch */ color: oklch(40.7% 0.064 207.1);

Tailwind

colors: {
  custom: {
    50: '#5d8389',
    500: '#10535b',
    950: '#000000',
  },
}

SCSS

$custom: #10535b;
$custom-light: #5d8389;
$custom-dark: #000000;

JSON

{
  "hex": "#10535b",
  "rgb": {
    "r": 16,
    "g": 83,
    "b": 91
  },
  "hsl": {
    "h": 186.4,
    "s": 70.093,
    "l": 20.98
  },
  "oklch": {
    "l": 0.40663,
    "c": 0.06397,
    "h": 207.1
  },
  "luminance": 0.07052
}

Semantic roles & 50–950 ramp

primary

#10535B

secondary

#943D33

accent

#4E3BED

background

#F5F8F8

surface

#EAEFF0

border

#C6CACB

text

#050A0B

muted

#797C7C

Preview Lab

Preview with #10535B

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

Preview Lab → · Contrast checker → · Palette generator →