#171E7F#171E7F

#171E7F is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.2% C 0.159 H 269.9°. Best body text is #FFFFFF at 13.74:1 contrast (WCAG AA passes).

Color values

HEX	#171E7F
RGB	rgb(23, 30, 127)
HSL	hsl(236, 69%, 29%)
HSV	hsv(236, 82%, 50%)
CMYK	cmyk(81.9%, 76.4%, 0%, 50.2%)
CIE-LAB	lab(18.55, 33.90, -54.76)
CIE-LCH	lch(18.55, 64.40, 301.76°)
OKLab	oklab(31.2% -0.0003 -0.1586)
OKLCH	oklch(31.2% 0.159 269.9)
XYZ	xyz(4.6471, 2.6425, 20.3397)
Luminance	0.0264 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171E7F #7F7817

analogous

#17527F #171E7F #44177F

triadic

#171E7F #7F171E #1E7F17

tetradic

#171E7F #7F1752 #7F7817 #177F44

square

#171E7F #7F1752 #7F7817 #177F44

split-complementary

#171E7F #7F4417 #527F17

monochromatic

#05061A #0E124B #171E7F #202AB3 #3641DB

Accessibility & contrast

On white

13.74

#171E7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#171E7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171E7F

13.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171E7F	#FFFFFF	#000000	##FFFFFF
##171E7F	1.00	13.74	1.53	13.74
#FFFFFF	13.74	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003282

Deuteranopia (green-blind)

#00287D

Tritanopia (blue-blind)

#003A4D

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #171e7f;
/* rgb */ color: rgb(23, 30, 127);
/* oklch */ color: oklch(31.2% 0.159 269.9);

Tailwind

colors: {
  custom: {
    50: '#695ba5',
    500: '#171e7f',
    950: '#000000',
  },
}

SCSS

$custom: #171e7f;
$custom-light: #695ba5;
$custom-dark: #000000;

JSON

{
  "hex": "#171e7f",
  "rgb": {
    "r": 23,
    "g": 30,
    "b": 127
  },
  "hsl": {
    "h": 235.962,
    "s": 69.333,
    "l": 29.412
  },
  "oklch": {
    "l": 0.31203,
    "c": 0.15861,
    "h": 269.9
  },
  "luminance": 0.02643
}

Semantic roles & 50–950 ramp

primary

#171E7F

secondary

#B4AC3E

accent

#E03CEC

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #171E7F

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

Preview Lab → · Contrast checker → · Palette generator →