#171E5E#171E5E

#171E5E is a dark, moderate blue. Relative luminance 0.019; OKLCH L 27.6% C 0.113 H 271.8°. Best body text is #FFFFFF at 15.18:1 contrast (WCAG AA passes).

Color values

HEX	#171E5E
RGB	rgb(23, 30, 94)
HSL	hsl(234, 61%, 23%)
HSV	hsv(234, 76%, 37%)
CMYK	cmyk(75.5%, 68.1%, 0%, 63.1%)
CIE-LAB	lab(15.05, 21.25, -39.06)
CIE-LCH	lch(15.05, 44.47, 298.55°)
OKLab	oklab(27.62% 0.0036 -0.1128)
OKLCH	oklch(27.62% 0.113 271.8)
XYZ	xyz(2.8373, 1.9186, 10.8083)
Luminance	0.0192 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171E5E #5E5717

analogous

#17415E #171E5E #34175E

triadic

#171E5E #5E171E #1E5E17

tetradic

#171E5E #5E1741 #5E5717 #175E34

square

#171E5E #5E1741 #5E5717 #175E34

split-complementary

#171E5E #5E3417 #415E17

monochromatic

#060819 #0B0E2D #171E5E #232E8F #2F3DC0

Accessibility & contrast

On white

15.18

#171E5E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#171E5E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171E5E

15.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171E5E	#FFFFFF	#000000	##FFFFFF
##171E5E	1.00	15.18	1.38	15.18
#FFFFFF	15.18	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002960

Deuteranopia (green-blind)

#00235D

Tritanopia (blue-blind)

#002F3B

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #171e5e;
/* rgb */ color: rgb(23, 30, 94);
/* oklch */ color: oklch(27.6% 0.113 271.8);

Tailwind

colors: {
  custom: {
    50: '#60598c',
    500: '#171e5e',
    950: '#000000',
  },
}

SCSS

$custom: #171e5e;
$custom-light: #60598c;
$custom-dark: #000000;

JSON

{
  "hex": "#171e5e",
  "rgb": {
    "r": 23,
    "g": 30,
    "b": 94
  },
  "hsl": {
    "h": 234.085,
    "s": 60.684,
    "l": 22.941
  },
  "oklch": {
    "l": 0.27622,
    "c": 0.11287,
    "h": 271.8
  },
  "luminance": 0.01919
}

Semantic roles & 50–950 ramp

primary

#171E5E

secondary

#958C3C

accent

#D444E4

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#05030C

muted

#7A787D

Preview Lab

Preview with #171E5E

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

Preview Lab → · Contrast checker → · Palette generator →