#17315F#17315F

#17315F is a dark, moderate blue. Relative luminance 0.032; OKLCH L 32.0% C 0.088 H 260.9°. Best body text is #FFFFFF at 12.80:1 contrast (WCAG AA passes).

Color values

HEX	#17315F
RGB	rgb(23, 49, 95)
HSL	hsl(218, 61%, 23%)
HSV	hsv(218, 76%, 37%)
CMYK	cmyk(75.8%, 48.4%, 0%, 62.7%)
CIE-LAB	lab(20.85, 7.79, -30.34)
CIE-LCH	lch(20.85, 31.33, 284.40°)
OKLab	oklab(32.01% -0.014 -0.0869)
OKLCH	oklch(32.01% 0.088 260.9)
XYZ	xyz(3.5165, 3.2046, 11.2575)
Luminance	0.0321 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17315F #5F4517

analogous

#17555F #17315F #21175F

triadic

#17315F #5F1731 #315F17

tetradic

#17315F #5F1755 #5F4517 #175F21

square

#17315F #5F1755 #5F4517 #175F21

split-complementary

#17315F #5F2117 #555F17

monochromatic

#060D19 #0B182E #17315F #234A90 #2F64C2

Accessibility & contrast

On white

12.80

#17315F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#17315F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17315F

12.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17315F	#FFFFFF	#000000	##FFFFFF
##17315F	1.00	12.80	1.64	12.80
#FFFFFF	12.80	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A3661

Deuteranopia (green-blind)

#0B2F5E

Tritanopia (blue-blind)

#003C43

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #17315f;
/* rgb */ color: rgb(23, 49, 95);
/* oklch */ color: oklch(32.0% 0.088 260.9);

Tailwind

colors: {
  custom: {
    50: '#5e688d',
    500: '#17315f',
    950: '#000000',
  },
}

SCSS

$custom: #17315f;
$custom-light: #5e688d;
$custom-dark: #000000;

JSON

{
  "hex": "#17315f",
  "rgb": {
    "r": 23,
    "g": 49,
    "b": 95
  },
  "hsl": {
    "h": 218.333,
    "s": 61.017,
    "l": 23.137
  },
  "oklch": {
    "l": 0.32012,
    "c": 0.08799,
    "h": 260.9
  },
  "luminance": 0.03205
}

Semantic roles & 50–950 ramp

primary

#17315F

secondary

#96753C

accent

#AA44E4

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05060C

muted

#797A7D

Preview Lab

Preview with #17315F

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

Preview Lab → · Contrast checker → · Palette generator →