#17357C#17357C

#17357C is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.3% C 0.126 H 263.8°. Best body text is #FFFFFF at 11.43:1 contrast (WCAG AA passes).

Color values

HEX	#17357C
RGB	rgb(23, 53, 124)
HSL	hsl(222, 69%, 29%)
HSV	hsv(222, 81%, 49%)
CMYK	cmyk(81.5%, 57.3%, 0%, 51.4%)
CIE-LAB	lab(24.27, 17.01, -43.49)
CIE-LCH	lch(24.27, 46.70, 291.36°)
OKLab	oklab(35.32% -0.0136 -0.1255)
OKLCH	oklch(35.32% 0.126 263.8)
XYZ	xyz(5.2632, 4.1830, 19.5949)
Luminance	0.0418 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17357C #7C5E17

analogous

#17687C #17357C #2C177C

triadic

#17357C #7C1735 #357C17

tetradic

#17357C #7C1768 #7C5E17 #177C2C

square

#17357C #7C1768 #7C5E17 #177C2C

split-complementary

#17357C #7C2C17 #687C17

monochromatic

#050B1A #0D1F48 #17357C #214BB0 #3465D9

Accessibility & contrast

On white

11.43

#17357C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#17357C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17357C

11.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17357C	#FFFFFF	#000000	##FFFFFF
##17357C	1.00	11.43	1.84	11.43
#FFFFFF	11.43	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F7E

Deuteranopia (green-blind)

#00357B

Tritanopia (blue-blind)

#004753

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #17357c;
/* rgb */ color: rgb(23, 53, 124);
/* oklch */ color: oklch(35.3% 0.126 263.8);

Tailwind

colors: {
  custom: {
    50: '#666ba2',
    500: '#17357c',
    950: '#000000',
  },
}

SCSS

$custom: #17357c;
$custom-light: #666ba2;
$custom-dark: #000000;

JSON

{
  "hex": "#17357c",
  "rgb": {
    "r": 23,
    "g": 53,
    "b": 124
  },
  "hsl": {
    "h": 222.178,
    "s": 68.707,
    "l": 28.824
  },
  "oklch": {
    "l": 0.35321,
    "c": 0.1262,
    "h": 263.8
  },
  "luminance": 0.04184
}

Semantic roles & 50–950 ramp

primary

#17357C

secondary

#B18F3E

accent

#B73CEC

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #17357C

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

Preview Lab → · Contrast checker → · Palette generator →