#17335B#17335B

#17335B is a dark, moderate blue. Relative luminance 0.033; OKLCH L 32.2% C 0.079 H 257.6°. Best body text is #FFFFFF at 12.64:1 contrast (WCAG AA passes).

Color values

HEX	#17335B
RGB	rgb(23, 51, 91)
HSL	hsl(215, 60%, 22%)
HSV	hsv(215, 75%, 36%)
CMYK	cmyk(74.7%, 44%, 0%, 64.3%)
CIE-LAB	lab(21.23, 4.69, -27.10)
CIE-LCH	lch(21.23, 27.51, 279.82°)
OKLab	oklab(32.22% -0.017 -0.0773)
OKLCH	oklch(32.22% 0.079 257.6)
XYZ	xyz(3.4248, 3.3048, 10.3529)
Luminance	0.0331 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17335B #5B3F17

analogous

#17555B #17335B #1D175B

triadic

#17335B #5B1733 #335B17

tetradic

#17335B #5B1755 #5B3F17 #175B1D

square

#17335B #5B1755 #5B3F17 #175B1D

split-complementary

#17335B #5B1D17 #555B17

monochromatic

#060E18 #0B182A #17335B #234E8C #306ABD

Accessibility & contrast

On white

12.64

#17335B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#17335B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17335B

12.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17335B	#FFFFFF	#000000	##FFFFFF
##17335B	1.00	12.64	1.66	12.64
#FFFFFF	12.64	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#20365D

Deuteranopia (green-blind)

#16305A

Tritanopia (blue-blind)

#003C42

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #17335b;
/* rgb */ color: rgb(23, 51, 91);
/* oklch */ color: oklch(32.2% 0.079 257.6);

Tailwind

colors: {
  custom: {
    50: '#5d6a89',
    500: '#17335b',
    950: '#000000',
  },
}

SCSS

$custom: #17335b;
$custom-light: #5d6a89;
$custom-dark: #000000;

JSON

{
  "hex": "#17335b",
  "rgb": {
    "r": 23,
    "g": 51,
    "b": 91
  },
  "hsl": {
    "h": 215.294,
    "s": 59.649,
    "l": 22.353
  },
  "oklch": {
    "l": 0.32219,
    "c": 0.07916,
    "h": 257.6
  },
  "luminance": 0.03305
}

Semantic roles & 50–950 ramp

primary

#17335B

secondary

#926E3C

accent

#A245E3

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#05060B

muted

#797A7C

Preview Lab

Preview with #17335B

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

Preview Lab → · Contrast checker → · Palette generator →