#17355F#17355F

#17355F is a dark, moderate blue. Relative luminance 0.036; OKLCH L 33.0% C 0.083 H 257.3°. Best body text is #FFFFFF at 12.27:1 contrast (WCAG AA passes).

Color values

HEX	#17355F
RGB	rgb(23, 53, 95)
HSL	hsl(215, 61%, 23%)
HSV	hsv(215, 76%, 37%)
CMYK	cmyk(75.8%, 44.2%, 0%, 62.7%)
CIE-LAB	lab(22.14, 4.93, -28.27)
CIE-LCH	lch(22.14, 28.70, 279.89°)
OKLab	oklab(33.01% -0.0182 -0.0807)
OKLCH	oklch(33.01% 0.083 257.3)
XYZ	xyz(3.6913, 3.5542, 11.3157)
Luminance	0.0355 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17355F #5F4117

analogous

#17595F #17355F #1D175F

triadic

#17355F #5F1735 #355F17

tetradic

#17355F #5F1759 #5F4117 #175F1D

square

#17355F #5F1759 #5F4117 #175F1D

split-complementary

#17355F #5F1D17 #595F17

monochromatic

#060E19 #0B1A2E #17355F #235090 #2F6CC2

Accessibility & contrast

On white

12.27

#17355F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#17355F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17355F

12.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17355F	#FFFFFF	#000000	##FFFFFF
##17355F	1.00	12.27	1.71	12.27
#FFFFFF	12.27	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#213961

Deuteranopia (green-blind)

#15325E

Tritanopia (blue-blind)

#003F45

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #17355f;
/* rgb */ color: rgb(23, 53, 95);
/* oklch */ color: oklch(33.0% 0.083 257.3);

Tailwind

colors: {
  custom: {
    50: '#5e6b8d',
    500: '#17355f',
    950: '#000000',
  },
}

SCSS

$custom: #17355f;
$custom-light: #5e6b8d;
$custom-dark: #000000;

JSON

{
  "hex": "#17355f",
  "rgb": {
    "r": 23,
    "g": 53,
    "b": 95
  },
  "hsl": {
    "h": 215,
    "s": 61.017,
    "l": 23.137
  },
  "oklch": {
    "l": 0.33012,
    "c": 0.08274,
    "h": 257.3
  },
  "luminance": 0.03555
}

Semantic roles & 50–950 ramp

primary

#17355F

secondary

#96703C

accent

#A144E4

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05060C

muted

#797A7D

Preview Lab

Preview with #17355F

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

Preview Lab → · Contrast checker → · Palette generator →