#17437F#17437F

#17437F is a dark, moderate cyan. Relative luminance 0.057; OKLCH L 38.8% C 0.112 H 257.3°. Best body text is #FFFFFF at 9.79:1 contrast (WCAG AA passes).

Color values

HEX	#17437F
RGB	rgb(23, 67, 127)
HSL	hsl(215, 69%, 29%)
HSV	hsv(215, 82%, 50%)
CMYK	cmyk(81.9%, 47.2%, 0%, 50.2%)
CIE-LAB	lab(28.72, 8.43, -38.19)
CIE-LCH	lch(28.72, 39.11, 282.44°)
OKLab	oklab(38.79% -0.0246 -0.1096)
OKLCH	oklch(38.79% 0.112 257.3)
XYZ	xyz(6.1899, 5.7280, 20.8539)
Luminance	0.0573 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17437F #7F5317

analogous

#17777F #17437F #1F177F

triadic

#17437F #7F1743 #437F17

tetradic

#17437F #7F1777 #7F5317 #177F1F

square

#17437F #7F1777 #7F5317 #177F1F

split-complementary

#17437F #7F1F17 #777F17

monochromatic

#050E1A #0E284B #17437F #205EB3 #367CDB

Accessibility & contrast

On white

9.79

#17437F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#17437F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17437F

9.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17437F	#FFFFFF	#000000	##FFFFFF
##17437F	1.00	9.79	2.15	9.79
#FFFFFF	9.79	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#234981

Deuteranopia (green-blind)

#0A3F7E

Tritanopia (blue-blind)

#00515A

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #17437f;
/* rgb */ color: rgb(23, 67, 127);
/* oklch */ color: oklch(38.8% 0.112 257.3);

Tailwind

colors: {
  custom: {
    50: '#6676a4',
    500: '#17437f',
    950: '#000000',
  },
}

SCSS

$custom: #17437f;
$custom-light: #6676a4;
$custom-dark: #000000;

JSON

{
  "hex": "#17437f",
  "rgb": {
    "r": 23,
    "g": 67,
    "b": 127
  },
  "hsl": {
    "h": 214.615,
    "s": 69.333,
    "l": 29.412
  },
  "oklch": {
    "l": 0.38792,
    "c": 0.11231,
    "h": 257.3
  },
  "luminance": 0.05729
}

Semantic roles & 50–950 ramp

primary

#17437F

secondary

#B4823E

accent

#A13CEC

background

#F6F7FA

surface

#EBEDF4

border

#C6C8CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #17437F

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

Preview Lab → · Contrast checker → · Palette generator →