#17367B#17367B

#17367B is a dark, vivid blue. Relative luminance 0.043; OKLCH L 35.5% C 0.123 H 263.3°. Best body text is #FFFFFF at 11.35:1 contrast (WCAG AA passes).

Color values

HEX	#17367B
RGB	rgb(23, 54, 123)
HSL	hsl(221, 68%, 29%)
HSV	hsv(221, 81%, 48%)
CMYK	cmyk(81.3%, 56.1%, 0%, 51.8%)
CIE-LAB	lab(24.48, 15.89, -42.51)
CIE-LCH	lch(24.48, 45.38, 290.49°)
OKLab	oklab(35.46% -0.0145 -0.1226)
OKLCH	oklch(35.46% 0.123 263.3)
XYZ	xyz(5.2464, 4.2499, 19.2789)
Luminance	0.0425 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17367B #7B5C17

analogous

#17687B #17367B #2A177B

triadic

#17367B #7B1736 #367B17

tetradic

#17367B #7B1768 #7B5C17 #177B2A

square

#17367B #7B1768 #7B5C17 #177B2A

split-complementary

#17367B #7B2A17 #687B17

monochromatic

#050B1A #0D1F47 #17367B #214DAF #3367D9

Accessibility & contrast

On white

11.35

#17367B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#17367B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17367B

11.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17367B	#FFFFFF	#000000	##FFFFFF
##17367B	1.00	11.35	1.85	11.35
#FFFFFF	11.35	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F7D

Deuteranopia (green-blind)

#00367A

Tritanopia (blue-blind)

#004753

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #17367b;
/* rgb */ color: rgb(23, 54, 123);
/* oklch */ color: oklch(35.5% 0.123 263.3);

Tailwind

colors: {
  custom: {
    50: '#656ca2',
    500: '#17367b',
    950: '#000000',
  },
}

SCSS

$custom: #17367b;
$custom-light: #656ca2;
$custom-dark: #000000;

JSON

{
  "hex": "#17367b",
  "rgb": {
    "r": 23,
    "g": 54,
    "b": 123
  },
  "hsl": {
    "h": 221.4,
    "s": 68.493,
    "l": 28.627
  },
  "oklch": {
    "l": 0.35457,
    "c": 0.12342,
    "h": 263.3
  },
  "luminance": 0.04251
}

Semantic roles & 50–950 ramp

primary

#17367B

secondary

#B08D3E

accent

#B53CEB

background

#F6F6FA

surface

#EBEBF3

border

#C6C6CD

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #17367B

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

Preview Lab → · Contrast checker → · Palette generator →