#17375F#17375F

#17375F is a dark, moderate cyan. Relative luminance 0.037; OKLCH L 33.5% C 0.080 H 255.3°. Best body text is #FFFFFF at 12.01:1 contrast (WCAG AA passes).

Color values

HEX	#17375F
RGB	rgb(23, 55, 95)
HSL	hsl(213, 61%, 23%)
HSV	hsv(213, 76%, 37%)
CMYK	cmyk(75.8%, 42.1%, 0%, 62.7%)
CIE-LAB	lab(22.79, 3.52, -27.23)
CIE-LCH	lch(22.79, 27.46, 277.36°)
OKLab	oklab(33.52% -0.0203 -0.0776)
OKLCH	oklch(33.52% 0.08 255.3)
XYZ	xyz(3.7843, 3.7404, 11.3468)
Luminance	0.0374 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17375F #5F3F17

analogous

#175B5F #17375F #1B175F

triadic

#17375F #5F1737 #375F17

tetradic

#17375F #5F175B #5F3F17 #175F1B

square

#17375F #5F175B #5F3F17 #175F1B

split-complementary

#17375F #5F1B17 #5B5F17

monochromatic

#060E19 #0B1A2E #17375F #235490 #2F70C2

Accessibility & contrast

On white

12.01

#17375F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#17375F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17375F

12.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17375F	#FFFFFF	#000000	##FFFFFF
##17375F	1.00	12.01	1.75	12.01
#FFFFFF	12.01	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#253A61

Deuteranopia (green-blind)

#19335E

Tritanopia (blue-blind)

#004046

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #17375f;
/* rgb */ color: rgb(23, 55, 95);
/* oklch */ color: oklch(33.5% 0.080 255.3);

Tailwind

colors: {
  custom: {
    50: '#5e6d8c',
    500: '#17375f',
    950: '#000000',
  },
}

SCSS

$custom: #17375f;
$custom-light: #5e6d8c;
$custom-dark: #000000;

JSON

{
  "hex": "#17375f",
  "rgb": {
    "r": 23,
    "g": 55,
    "b": 95
  },
  "hsl": {
    "h": 213.333,
    "s": 61.017,
    "l": 23.137
  },
  "oklch": {
    "l": 0.33521,
    "c": 0.08023,
    "h": 255.3
  },
  "luminance": 0.03741
}

Semantic roles & 50–950 ramp

primary

#17375F

secondary

#966E3C

accent

#9D44E4

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #17375F

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

Preview Lab → · Contrast checker → · Palette generator →