#17577D#17577D

#17577D is a dark, moderate cyan. Relative luminance 0.085; OKLCH L 43.6% C 0.088 H 240.1°. Best body text is #FFFFFF at 7.79:1 contrast (WCAG AA passes).

Color values

HEX	#17577D
RGB	rgb(23, 87, 125)
HSL	hsl(202, 69%, 29%)
HSV	hsv(202, 82%, 49%)
CMYK	cmyk(81.6%, 30.4%, 0%, 51%)
CIE-LAB	lab(34.96, -5.56, -27.03)
CIE-LCH	lch(34.96, 27.60, 258.38°)
OKLab	oklab(43.65% -0.0441 -0.0765)
OKLCH	oklch(43.65% 0.088 240.1)
XYZ	xyz(7.4618, 8.4783, 20.6413)
Luminance	0.0848 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17577D #7D3D17

analogous

#177D70 #17577D #17247D

triadic

#17577D #7D1757 #577D17

tetradic

#17577D #70177D #7D3D17 #247D17

square

#17577D #70177D #7D3D17 #247D17

split-complementary

#17577D #7D1724 #7D7017

monochromatic

#05121A #0D3349 #17577D #217BB1 #359CDA

Accessibility & contrast

On white

7.79

#17577D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#17577D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17577D

7.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17577D	#FFFFFF	#000000	##FFFFFF
##17577D	1.00	7.79	2.70	7.79
#FFFFFF	7.79	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#45577F

Deuteranopia (green-blind)

#374E7C

Tritanopia (blue-blind)

#006164

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #17577d;
/* rgb */ color: rgb(23, 87, 125);
/* oklch */ color: oklch(43.6% 0.088 240.1);

Tailwind

colors: {
  custom: {
    50: '#6686a3',
    500: '#17577d',
    950: '#000000',
  },
}

SCSS

$custom: #17577d;
$custom-light: #6686a3;
$custom-dark: #000000;

JSON

{
  "hex": "#17577d",
  "rgb": {
    "r": 23,
    "g": 87,
    "b": 125
  },
  "hsl": {
    "h": 202.353,
    "s": 68.919,
    "l": 29.02
  },
  "oklch": {
    "l": 0.43646,
    "c": 0.08831,
    "h": 240.1
  },
  "luminance": 0.08479
}

Semantic roles & 50–950 ramp

primary

#17577D

secondary

#B2693E

accent

#7E3CEC

background

#F6F8FA

surface

#EBEFF3

border

#C6CACD

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #17577D

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

Preview Lab → · Contrast checker → · Palette generator →