#105A81#105A81

#105A81 is a dark, moderate cyan. Relative luminance 0.090; OKLCH L 44.5% C 0.093 H 238.5°. Best body text is #FFFFFF at 7.50:1 contrast (WCAG AA passes).

Color values

HEX	#105A81
RGB	rgb(16, 90, 129)
HSL	hsl(201, 78%, 28%)
HSV	hsv(201, 88%, 51%)
CMYK	cmyk(87.6%, 30.2%, 0%, 49.4%)
CIE-LAB	lab(36.00, -6.56, -27.87)
CIE-LCH	lch(36.00, 28.63, 256.76°)
OKLab	oklab(44.5% -0.0485 -0.079)
OKLCH	oklch(44.5% 0.093 238.5)
XYZ	xyz(7.8307, 9.0065, 22.0903)
Luminance	0.0901 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#105A81 #813710

analogous

#10816F #105A81 #102181

triadic

#105A81 #81105A #5A8110

tetradic

#105A81 #6F1081 #813710 #218110

square

#105A81 #6F1081 #813710 #218110

split-complementary

#105A81 #811021 #816F10

monochromatic

#03131B #09344B #105A81 #1780B7 #27A3E4

Accessibility & contrast

On white

7.50

#105A81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#105A81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #105A81

7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##105A81	#FFFFFF	#000000	##FFFFFF
##105A81	1.00	7.50	2.80	7.50
#FFFFFF	7.50	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#475A83

Deuteranopia (green-blind)

#385080

Tritanopia (blue-blind)

#006468

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #105a81;
/* rgb */ color: rgb(16, 90, 129);
/* oklch */ color: oklch(44.5% 0.093 238.5);

Tailwind

colors: {
  custom: {
    50: '#6588a6',
    500: '#105a81',
    950: '#000000',
  },
}

SCSS

$custom: #105a81;
$custom-light: #6588a6;
$custom-dark: #000000;

JSON

{
  "hex": "#105a81",
  "rgb": {
    "r": 16,
    "g": 90,
    "b": 129
  },
  "hsl": {
    "h": 200.708,
    "s": 77.931,
    "l": 28.431
  },
  "oklch": {
    "l": 0.44496,
    "c": 0.09268,
    "h": 238.5
  },
  "luminance": 0.09007
}

Semantic roles & 50–950 ramp

primary

#105A81

secondary

#B76236

accent

#7633F4

background

#F6F8FA

surface

#EBEFF4

border

#C6CACE

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #105A81

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

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