#17508C#17508C

#17508C is a dark, moderate cyan. Relative luminance 0.078; OKLCH L 42.8% C 0.115 H 253.2°. Best body text is #FFFFFF at 8.19:1 contrast (WCAG AA passes).

Color values

HEX	#17508C
RGB	rgb(23, 80, 140)
HSL	hsl(211, 72%, 32%)
HSV	hsv(211, 84%, 55%)
CMYK	cmyk(83.6%, 42.9%, 0%, 45.1%)
CIE-LAB	lab(33.59, 4.96, -38.41)
CIE-LCH	lch(33.59, 38.73, 277.35°)
OKLab	oklab(42.85% -0.0331 -0.11)
OKLCH	oklch(42.85% 0.115 253.2)
XYZ	xyz(7.9539, 7.8120, 25.8945)
Luminance	0.0781 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17508C #8C5317

analogous

#178B8C #17508C #18178C

triadic

#17508C #8C1750 #508C17

tetradic

#17508C #8C178B #8C5317 #178C18

square

#17508C #8C178B #8C5317 #178C18

split-complementary

#17508C #8C1817 #8B8C17

monochromatic

#061423 #0E3257 #17508C #206EC1 #3E8DDF

Accessibility & contrast

On white

8.19

#17508C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#17508C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17508C

8.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17508C	#FFFFFF	#000000	##FFFFFF
##17508C	1.00	8.19	2.56	8.19
#FFFFFF	8.19	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#32558E

Deuteranopia (green-blind)

#1D4A8B

Tritanopia (blue-blind)

#005E67

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #17508c;
/* rgb */ color: rgb(23, 80, 140);
/* oklch */ color: oklch(42.8% 0.115 253.2);

Tailwind

colors: {
  custom: {
    50: '#6980ae',
    500: '#17508c',
    950: '#000000',
  },
}

SCSS

$custom: #17508c;
$custom-light: #6980ae;
$custom-dark: #000000;

JSON

{
  "hex": "#17508c",
  "rgb": {
    "r": 23,
    "g": 80,
    "b": 140
  },
  "hsl": {
    "h": 210.769,
    "s": 71.779,
    "l": 31.961
  },
  "oklch": {
    "l": 0.42845,
    "c": 0.11485,
    "h": 253.2
  },
  "luminance": 0.07813
}

Semantic roles & 50–950 ramp

primary

#17508C

secondary

#BF813F

accent

#9639EF

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #17508C

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

Preview Lab → · Contrast checker → · Palette generator →