#17598F#17598F

#17598F is a mid, moderate cyan. Relative luminance 0.093; OKLCH L 45.2% C 0.109 H 248.3°. Best body text is #FFFFFF at 7.34:1 contrast (WCAG AA passes).

Color values

HEX	#17598F
RGB	rgb(23, 89, 143)
HSL	hsl(207, 72%, 33%)
HSV	hsv(207, 84%, 56%)
CMYK	cmyk(83.9%, 37.8%, 0%, 43.9%)
CIE-LAB	lab(36.57, 0.29, -35.49)
CIE-LCH	lch(36.57, 35.49, 270.46°)
OKLab	oklab(45.24% -0.0403 -0.1012)
OKLCH	oklch(45.24% 0.109 248.3)
XYZ	xyz(8.8817, 9.3090, 27.3100)
Luminance	0.0931 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17598F #8F4D17

analogous

#178F89 #17598F #171D8F

triadic

#17598F #8F1759 #598F17

tetradic

#17598F #89178F #8F4D17 #1D8F17

square

#17598F #89178F #8F4D17 #1D8F17

split-complementary

#17598F #8F171D #8F8917

monochromatic

#061726 #0F385A #17598F #1F7AC4 #4098E0

Accessibility & contrast

On white

7.34

#17598F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#17598F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17598F

7.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17598F	#FFFFFF	#000000	##FFFFFF
##17598F	1.00	7.34	2.86	7.34
#FFFFFF	7.34	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F5C91

Deuteranopia (green-blind)

#2D518E

Tritanopia (blue-blind)

#00666D

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #17598f;
/* rgb */ color: rgb(23, 89, 143);
/* oklch */ color: oklch(45.2% 0.109 248.3);

Tailwind

colors: {
  custom: {
    50: '#6a87b0',
    500: '#17598f',
    950: '#000000',
  },
}

SCSS

$custom: #17598f;
$custom-light: #6a87b0;
$custom-dark: #000000;

JSON

{
  "hex": "#17598f",
  "rgb": {
    "r": 23,
    "g": 89,
    "b": 143
  },
  "hsl": {
    "h": 207,
    "s": 72.289,
    "l": 32.549
  },
  "oklch": {
    "l": 0.45238,
    "c": 0.10894,
    "h": 248.3
  },
  "luminance": 0.0931
}

Semantic roles & 50–950 ramp

primary

#17598F

secondary

#C17B41

accent

#8B39EF

background

#F6F8FA

surface

#ECEFF5

border

#C7CACF

text

#070B10

muted

#7A7C7F

Preview Lab

Preview with #17598F

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

Preview Lab → · Contrast checker → · Palette generator →