#17375D#17375D

#17375D is a dark, moderate cyan. Relative luminance 0.037; OKLCH L 33.4% C 0.077 H 254.3°. Best body text is #FFFFFF at 12.06:1 contrast (WCAG AA passes).

Color values

HEX	#17375D
RGB	rgb(23, 55, 93)
HSL	hsl(213, 60%, 23%)
HSV	hsv(213, 75%, 36%)
CMYK	cmyk(75.3%, 40.9%, 0%, 63.5%)
CIE-LAB	lab(22.67, 2.70, -26.12)
CIE-LCH	lch(22.67, 26.26, 275.89°)
OKLab	oklab(33.38% -0.0208 -0.0744)
OKLCH	oklch(33.38% 0.077 254.3)
XYZ	xyz(3.6946, 3.7045, 10.8741)
Luminance	0.0370 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17375D #5D3D17

analogous

#175A5D #17375D #1A175D

triadic

#17375D #5D1737 #375D17

tetradic

#17375D #5D175A #5D3D17 #175D1A

square

#17375D #5D175A #5D3D17 #175D1A

split-complementary

#17375D #5D1A17 #5A5D17

monochromatic

#060F19 #0B1A2C #17375D #23548E #2F71BF

Accessibility & contrast

On white

12.06

#17375D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#17375D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17375D

12.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17375D	#FFFFFF	#000000	##FFFFFF
##17375D	1.00	12.06	1.74	12.06
#FFFFFF	12.06	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#263A5F

Deuteranopia (green-blind)

#1B335C

Tritanopia (blue-blind)

#004045

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #17375d;
/* rgb */ color: rgb(23, 55, 93);
/* oklch */ color: oklch(33.4% 0.077 254.3);

Tailwind

colors: {
  custom: {
    50: '#5e6d8b',
    500: '#17375d',
    950: '#000000',
  },
}

SCSS

$custom: #17375d;
$custom-light: #5e6d8b;
$custom-dark: #000000;

JSON

{
  "hex": "#17375d",
  "rgb": {
    "r": 23,
    "g": 55,
    "b": 93
  },
  "hsl": {
    "h": 212.571,
    "s": 60.345,
    "l": 22.745
  },
  "oklch": {
    "l": 0.33384,
    "c": 0.07724,
    "h": 254.3
  },
  "luminance": 0.03705
}

Semantic roles & 50–950 ramp

primary

#17375D

secondary

#946C3C

accent

#9B44E3

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #17375D

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

Preview Lab → · Contrast checker → · Palette generator →