#17437D#17437D

#17437D is a dark, moderate cyan. Relative luminance 0.057; OKLCH L 38.6% C 0.109 H 256.8°. Best body text is #FFFFFF at 9.83:1 contrast (WCAG AA passes).

Color values

HEX	#17437D
RGB	rgb(23, 67, 125)
HSL	hsl(214, 69%, 29%)
HSV	hsv(214, 82%, 49%)
CMYK	cmyk(81.6%, 46.4%, 0%, 51%)
CIE-LAB	lab(28.58, 7.60, -37.16)
CIE-LCH	lch(28.58, 37.92, 281.56°)
OKLab	oklab(38.64% -0.025 -0.1065)
OKLCH	oklch(38.64% 0.109 256.8)
XYZ	xyz(6.0608, 5.6764, 20.1743)
Luminance	0.0568 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17437D #7D5117

analogous

#17767D #17437D #1E177D

triadic

#17437D #7D1743 #437D17

tetradic

#17437D #7D1776 #7D5117 #177D1E

square

#17437D #7D1776 #7D5117 #177D1E

split-complementary

#17437D #7D1E17 #767D17

monochromatic

#050E1A #0D2749 #17437D #215FB1 #357CDA

Accessibility & contrast

On white

9.83

#17437D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#17437D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17437D

9.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17437D	#FFFFFF	#000000	##FFFFFF
##17437D	1.00	9.83	2.14	9.83
#FFFFFF	9.83	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#25487F

Deuteranopia (green-blind)

#0F3F7C

Tritanopia (blue-blind)

#00515A

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #17437d;
/* rgb */ color: rgb(23, 67, 125);
/* oklch */ color: oklch(38.6% 0.109 256.8);

Tailwind

colors: {
  custom: {
    50: '#6576a3',
    500: '#17437d',
    950: '#000000',
  },
}

SCSS

$custom: #17437d;
$custom-light: #6576a3;
$custom-dark: #000000;

JSON

{
  "hex": "#17437d",
  "rgb": {
    "r": 23,
    "g": 67,
    "b": 125
  },
  "hsl": {
    "h": 214.118,
    "s": 68.919,
    "l": 29.02
  },
  "oklch": {
    "l": 0.38644,
    "c": 0.10944,
    "h": 256.8
  },
  "luminance": 0.05677
}

Semantic roles & 50–950 ramp

primary

#17437D

secondary

#B2803E

accent

#A03CEC

background

#F6F7FA

surface

#EBEDF4

border

#C6C8CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #17437D

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

Preview Lab → · Contrast checker → · Palette generator →