#17507B#17507B

#17507B is a dark, moderate cyan. Relative luminance 0.073; OKLCH L 41.7% C 0.092 H 245.8°. Best body text is #FFFFFF at 8.50:1 contrast (WCAG AA passes).

Color values

HEX	#17507B
RGB	rgb(23, 80, 123)
HSL	hsl(206, 68%, 29%)
HSV	hsv(206, 81%, 48%)
CMYK	cmyk(81.3%, 35%, 0%, 51.8%)
CIE-LAB	lab(32.59, -1.91, -29.53)
CIE-LCH	lch(32.59, 29.59, 266.31°)
OKLab	oklab(41.74% -0.0378 -0.0839)
OKLCH	oklch(41.74% 0.092 245.8)
XYZ	xyz(6.7958, 7.3487, 19.7953)
Luminance	0.0735 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17507B #7B4217

analogous

#177B74 #17507B #171E7B

triadic

#17507B #7B1750 #507B17

tetradic

#17507B #74177B #7B4217 #1E7B17

square

#17507B #74177B #7B4217 #1E7B17

split-complementary

#17507B #7B171E #7B7417

monochromatic

#05111A #0D2E47 #17507B #2172AF #3392D9

Accessibility & contrast

On white

8.50

#17507B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#17507B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17507B

8.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17507B	#FFFFFF	#000000	##FFFFFF
##17507B	1.00	8.50	2.47	8.50
#FFFFFF	8.50	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C527D

Deuteranopia (green-blind)

#2E497A

Tritanopia (blue-blind)

#005A5F

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #17507b;
/* rgb */ color: rgb(23, 80, 123);
/* oklch */ color: oklch(41.7% 0.092 245.8);

Tailwind

colors: {
  custom: {
    50: '#6580a1',
    500: '#17507b',
    950: '#000000',
  },
}

SCSS

$custom: #17507b;
$custom-light: #6580a1;
$custom-dark: #000000;

JSON

{
  "hex": "#17507b",
  "rgb": {
    "r": 23,
    "g": 80,
    "b": 123
  },
  "hsl": {
    "h": 205.8,
    "s": 68.493,
    "l": 28.627
  },
  "oklch": {
    "l": 0.41736,
    "c": 0.09203,
    "h": 245.8
  },
  "luminance": 0.0735
}

Semantic roles & 50–950 ramp

primary

#17507B

secondary

#B06F3E

accent

#883CEB

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0F

muted

#7A7C7E

Preview Lab

Preview with #17507B

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

Preview Lab → · Contrast checker → · Palette generator →