#17488B#17488B

#17488B is a dark, vivid cyan. Relative luminance 0.067; OKLCH L 40.9% C 0.123 H 257.5°. Best body text is #FFFFFF at 8.99:1 contrast (WCAG AA passes).

Color values

HEX	#17488B
RGB	rgb(23, 72, 139)
HSL	hsl(215, 72%, 32%)
HSV	hsv(215, 83%, 55%)
CMYK	cmyk(83.5%, 48.2%, 0%, 45.5%)
CIE-LAB	lab(31.07, 9.94, -41.84)
CIE-LCH	lch(31.07, 43.01, 283.37°)
OKLab	oklab(40.87% -0.0266 -0.1202)
OKLCH	oklch(40.87% 0.123 257.5)
XYZ	xyz(7.3292, 6.6801, 25.3242)
Luminance	0.0668 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17488B #8B5A17

analogous

#17828B #17488B #20178B

triadic

#17488B #8B1748 #488B17

tetradic

#17488B #8B1782 #8B5A17 #178B20

square

#17488B #8B1782 #8B5A17 #178B20

split-complementary

#17488B #8B2017 #828B17

monochromatic

#061222 #0E2D56 #17488B #2063C0 #3D82DF

Accessibility & contrast

On white

8.99

#17488B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#17488B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17488B

8.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17488B	#FFFFFF	#000000	##FFFFFF
##17488B	1.00	8.99	2.34	8.99
#FFFFFF	8.99	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#234F8E

Deuteranopia (green-blind)

#00448A

Tritanopia (blue-blind)

#005862

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #17488b;
/* rgb */ color: rgb(23, 72, 139);
/* oklch */ color: oklch(40.9% 0.123 257.5);

Tailwind

colors: {
  custom: {
    50: '#697aad',
    500: '#17488b',
    950: '#000000',
  },
}

SCSS

$custom: #17488b;
$custom-light: #697aad;
$custom-dark: #000000;

JSON

{
  "hex": "#17488b",
  "rgb": {
    "r": 23,
    "g": 72,
    "b": 139
  },
  "hsl": {
    "h": 214.655,
    "s": 71.605,
    "l": 31.765
  },
  "oklch": {
    "l": 0.4087,
    "c": 0.12313,
    "h": 257.5
  },
  "luminance": 0.06681
}

Semantic roles & 50–950 ramp

primary

#17488B

secondary

#BF893F

accent

#A239EE

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070910

muted

#7A7B7F

Preview Lab

Preview with #17488B

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

Preview Lab → · Contrast checker → · Palette generator →