#175E81#175E81

#175E81 is a mid, moderate cyan. Relative luminance 0.098; OKLCH L 45.7% C 0.088 H 235.5°. Best body text is #FFFFFF at 7.11:1 contrast (WCAG AA passes).

Color values

HEX	#175E81
RGB	rgb(23, 94, 129)
HSL	hsl(200, 70%, 30%)
HSV	hsv(200, 82%, 51%)
CMYK	cmyk(82.2%, 27.1%, 0%, 49.4%)
CIE-LAB	lab(37.43, -8.32, -25.62)
CIE-LCH	lch(37.43, 26.93, 252.01°)
OKLab	oklab(45.67% -0.0496 -0.0723)
OKLCH	oklch(45.67% 0.088 235.5)
XYZ	xyz(8.3169, 9.7715, 22.2124)
Luminance	0.0977 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#175E81 #813A17

analogous

#17816F #175E81 #172981

triadic

#175E81 #81175E #5E8117

tetradic

#175E81 #6F1781 #813A17 #298117

square

#175E81 #6F1781 #813A17 #298117

split-complementary

#175E81 #811729 #816F17

monochromatic

#05131A #0E384D #175E81 #2084B5 #37A5DB

Accessibility & contrast

On white

7.11

#175E81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#175E81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #175E81

7.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##175E81	#FFFFFF	#000000	##FFFFFF
##175E81	1.00	7.11	2.95	7.11
#FFFFFF	7.11	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D5E83

Deuteranopia (green-blind)

#3F5480

Tritanopia (blue-blind)

#00676A

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #175e81;
/* rgb */ color: rgb(23, 94, 129);
/* oklch */ color: oklch(45.7% 0.088 235.5);

Tailwind

colors: {
  custom: {
    50: '#678ba5',
    500: '#175e81',
    950: '#000000',
  },
}

SCSS

$custom: #175e81;
$custom-light: #678ba5;
$custom-dark: #000000;

JSON

{
  "hex": "#175e81",
  "rgb": {
    "r": 23,
    "g": 94,
    "b": 129
  },
  "hsl": {
    "h": 199.811,
    "s": 69.737,
    "l": 29.804
  },
  "oklch": {
    "l": 0.45674,
    "c": 0.08773,
    "h": 235.5
  },
  "luminance": 0.09773
}

Semantic roles & 50–950 ramp

primary

#175E81

secondary

#B5663E

accent

#763BED

background

#F6F8FA

surface

#EBF0F4

border

#C6CBCE

text

#070C0F

muted

#7A7D7F

Preview Lab

Preview with #175E81

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

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