#17427B#17427B

#17427B is a dark, moderate cyan. Relative luminance 0.055; OKLCH L 38.3% C 0.108 H 256.8°. Best body text is #FFFFFF at 9.99:1 contrast (WCAG AA passes).

Color values

HEX	#17427B
RGB	rgb(23, 66, 123)
HSL	hsl(214, 68%, 29%)
HSV	hsv(214, 81%, 48%)
CMYK	cmyk(81.3%, 46.3%, 0%, 51.8%)
CIE-LAB	lab(28.14, 7.46, -36.62)
CIE-LCH	lch(28.14, 37.37, 281.51°)
OKLab	oklab(38.26% -0.0245 -0.105)
OKLCH	oklch(38.26% 0.108 256.8)
XYZ	xyz(5.8754, 5.5080, 19.4885)
Luminance	0.0551 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17427B #7B5017

analogous

#17747B #17427B #1E177B

triadic

#17427B #7B1742 #427B17

tetradic

#17427B #7B1774 #7B5017 #177B1E

square

#17427B #7B1774 #7B5017 #177B1E

split-complementary

#17427B #7B1E17 #747B17

monochromatic

#050E1A #0D2647 #17427B #215EAF #337BD9

Accessibility & contrast

On white

9.99

#17427B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#17427B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17427B

9.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17427B	#FFFFFF	#000000	##FFFFFF
##17427B	1.00	9.99	2.10	9.99
#FFFFFF	9.99	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	9.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#25477D

Deuteranopia (green-blind)

#0F3E7A

Tritanopia (blue-blind)

#005058

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #17427b;
/* rgb */ color: rgb(23, 66, 123);
/* oklch */ color: oklch(38.3% 0.108 256.8);

Tailwind

colors: {
  custom: {
    50: '#6575a1',
    500: '#17427b',
    950: '#000000',
  },
}

SCSS

$custom: #17427b;
$custom-light: #6575a1;
$custom-dark: #000000;

JSON

{
  "hex": "#17427b",
  "rgb": {
    "r": 23,
    "g": 66,
    "b": 123
  },
  "hsl": {
    "h": 214.2,
    "s": 68.493,
    "l": 28.627
  },
  "oklch": {
    "l": 0.38257,
    "c": 0.10781,
    "h": 256.8
  },
  "luminance": 0.05509
}

Semantic roles & 50–950 ramp

primary

#17427B

secondary

#B07F3E

accent

#A03CEB

background

#F6F7FA

surface

#EBEDF3

border

#C6C8CD

text

#06080F

muted

#7A7B7F

Preview Lab

Preview with #17427B

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

Preview Lab → · Contrast checker → · Palette generator →