#17335F#17335F

#17335F is a dark, moderate blue. Relative luminance 0.034; OKLCH L 32.5% C 0.085 H 259.2°. Best body text is #FFFFFF at 12.54:1 contrast (WCAG AA passes).

Color values

HEX	#17335F
RGB	rgb(23, 51, 95)
HSL	hsl(217, 61%, 23%)
HSV	hsv(217, 76%, 37%)
CMYK	cmyk(75.8%, 46.3%, 0%, 62.7%)
CIE-LAB	lab(21.49, 6.35, -29.31)
CIE-LCH	lch(21.49, 29.99, 282.23°)
OKLab	oklab(32.51% -0.0161 -0.0838)
OKLCH	oklch(32.51% 0.085 259.2)
XYZ	xyz(3.6020, 3.3757, 11.2860)
Luminance	0.0338 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17335F #5F4317

analogous

#17575F #17335F #1F175F

triadic

#17335F #5F1733 #335F17

tetradic

#17335F #5F1757 #5F4317 #175F1F

square

#17335F #5F1757 #5F4317 #175F1F

split-complementary

#17335F #5F1F17 #575F17

monochromatic

#060D19 #0B192E #17335F #234D90 #2F68C2

Accessibility & contrast

On white

12.54

#17335F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#17335F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17335F

12.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17335F	#FFFFFF	#000000	##FFFFFF
##17335F	1.00	12.54	1.68	12.54
#FFFFFF	12.54	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E3761

Deuteranopia (green-blind)

#11305E

Tritanopia (blue-blind)

#003D44

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #17335f;
/* rgb */ color: rgb(23, 51, 95);
/* oklch */ color: oklch(32.5% 0.085 259.2);

Tailwind

colors: {
  custom: {
    50: '#5e6a8d',
    500: '#17335f',
    950: '#000000',
  },
}

SCSS

$custom: #17335f;
$custom-light: #5e6a8d;
$custom-dark: #000000;

JSON

{
  "hex": "#17335f",
  "rgb": {
    "r": 23,
    "g": 51,
    "b": 95
  },
  "hsl": {
    "h": 216.667,
    "s": 61.017,
    "l": 23.137
  },
  "oklch": {
    "l": 0.32509,
    "c": 0.08533,
    "h": 259.2
  },
  "luminance": 0.03376
}

Semantic roles & 50–950 ramp

primary

#17335F

secondary

#96733C

accent

#A644E4

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05060C

muted

#797A7D

Preview Lab

Preview with #17335F

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

Preview Lab → · Contrast checker → · Palette generator →