#17254B#17254B

#17254B is a dark, moderate blue. Relative luminance 0.020; OKLCH L 27.5% C 0.073 H 266.5°. Best body text is #FFFFFF at 14.97:1 contrast (WCAG AA passes).

Color values

HEX	#17254B
RGB	rgb(23, 37, 75)
HSL	hsl(224, 53%, 19%)
HSV	hsv(224, 69%, 29%)
CMYK	cmyk(69.3%, 50.7%, 0%, 70.6%)
CIE-LAB	lab(15.56, 8.28, -25.42)
CIE-LCH	lch(15.56, 26.73, 288.04°)
OKLab	oklab(27.5% -0.0045 -0.0726)
OKLCH	oklch(27.5% 0.073 266.5)
XYZ	xyz(2.2845, 2.0131, 6.9234)
Luminance	0.0201 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17254B #4B3D17

analogous

#173F4B #17254B #23174B

triadic

#17254B #4B1725 #254B17

tetradic

#17254B #4B173F #4B3D17 #174B23

square

#17254B #4B173F #4B3D17 #174B23

split-complementary

#17254B #4B2317 #3F4B17

monochromatic

#070C17 #090E1C #17254B #253C7A #3453A9

Accessibility & contrast

On white

14.97

#17254B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#17254B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17254B

14.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17254B	#FFFFFF	#000000	##FFFFFF
##17254B	1.00	14.97	1.40	14.97
#FFFFFF	14.97	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	14.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#13294C

Deuteranopia (green-blind)

#0A254A

Tritanopia (blue-blind)

#002E34

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #17254b;
/* rgb */ color: rgb(23, 37, 75);
/* oklch */ color: oklch(27.5% 0.073 266.5);

Tailwind

colors: {
  custom: {
    50: '#5a5f7d',
    500: '#17254b',
    950: '#000000',
  },
}

SCSS

$custom: #17254b;
$custom-light: #5a5f7d;
$custom-dark: #000000;

JSON

{
  "hex": "#17254b",
  "rgb": {
    "r": 23,
    "g": 37,
    "b": 75
  },
  "hsl": {
    "h": 223.846,
    "s": 53.061,
    "l": 19.216
  },
  "oklch": {
    "l": 0.27495,
    "c": 0.07275,
    "h": 266.5
  },
  "luminance": 0.02013
}

Semantic roles & 50–950 ramp

primary

#17254B

secondary

#826F3C

accent

#B54BDC

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04040A

muted

#79797C

Preview Lab

Preview with #17254B

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

Preview Lab → · Contrast checker → · Palette generator →