#17255E#17255E

#17255E is a dark, moderate blue. Relative luminance 0.023; OKLCH L 29.1% C 0.103 H 268.7°. Best body text is #FFFFFF at 14.36:1 contrast (WCAG AA passes).

Color values

HEX	#17255E
RGB	rgb(23, 37, 94)
HSL	hsl(228, 61%, 23%)
HSV	hsv(228, 76%, 37%)
CMYK	cmyk(75.5%, 60.6%, 0%, 63.1%)
CIE-LAB	lab(17.05, 16.16, -35.81)
CIE-LCH	lch(17.05, 39.28, 294.29°)
OKLab	oklab(29.1% -0.0024 -0.1032)
OKLCH	oklch(29.1% 0.103 268.7)
XYZ	xyz(3.0346, 2.3131, 10.8741)
Luminance	0.0231 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17255E #5E5017

analogous

#17485E #17255E #2C175E

triadic

#17255E #5E1725 #255E17

tetradic

#17255E #5E1748 #5E5017 #175E2C

square

#17255E #5E1748 #5E5017 #175E2C

split-complementary

#17255E #5E2C17 #485E17

monochromatic

#060A19 #0B122D #17255E #23388F #2F4CC0

Accessibility & contrast

On white

14.36

#17255E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#17255E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17255E

14.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17255E	#FFFFFF	#000000	##FFFFFF
##17255E	1.00	14.36	1.46	14.36
#FFFFFF	14.36	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D60

Deuteranopia (green-blind)

#00275D

Tritanopia (blue-blind)

#00333D

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #17255e;
/* rgb */ color: rgb(23, 37, 94);
/* oklch */ color: oklch(29.1% 0.103 268.7);

Tailwind

colors: {
  custom: {
    50: '#5f5f8c',
    500: '#17255e',
    950: '#000000',
  },
}

SCSS

$custom: #17255e;
$custom-light: #5f5f8c;
$custom-dark: #000000;

JSON

{
  "hex": "#17255e",
  "rgb": {
    "r": 23,
    "g": 37,
    "b": 94
  },
  "hsl": {
    "h": 228.169,
    "s": 60.684,
    "l": 22.941
  },
  "oklch": {
    "l": 0.29104,
    "c": 0.10319,
    "h": 268.7
  },
  "luminance": 0.02313
}

Semantic roles & 50–950 ramp

primary

#17255E

secondary

#95833C

accent

#C444E4

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05040C

muted

#79797D

Preview Lab

Preview with #17255E

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

Preview Lab → · Contrast checker → · Palette generator →