#17437C#17437C

#17437C is a dark, moderate cyan. Relative luminance 0.057; OKLCH L 38.6% C 0.108 H 256.5°. Best body text is #FFFFFF at 9.86:1 contrast (WCAG AA passes).

Color values

HEX	#17437C
RGB	rgb(23, 67, 124)
HSL	hsl(214, 69%, 29%)
HSV	hsv(214, 81%, 49%)
CMYK	cmyk(81.5%, 46%, 0%, 51.4%)
CIE-LAB	lab(28.51, 7.18, -36.64)
CIE-LCH	lch(28.51, 37.33, 281.09°)
OKLab	oklab(38.57% -0.0252 -0.105)
OKLCH	oklch(38.57% 0.108 256.5)
XYZ	xyz(5.9972, 5.6510, 19.8395)
Luminance	0.0565 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17437C #7C5017

analogous

#17767C #17437C #1E177C

triadic

#17437C #7C1743 #437C17

tetradic

#17437C #7C1776 #7C5017 #177C1E

square

#17437C #7C1776 #7C5017 #177C1E

split-complementary

#17437C #7C1E17 #767C17

monochromatic

#050E1A #0D2748 #17437C #215FB0 #347CD9

Accessibility & contrast

On white

9.86

#17437C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#17437C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17437C

9.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17437C	#FFFFFF	#000000	##FFFFFF
##17437C	1.00	9.86	2.13	9.86
#FFFFFF	9.86	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#26487E

Deuteranopia (green-blind)

#113F7B

Tritanopia (blue-blind)

#005159

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #17437c;
/* rgb */ color: rgb(23, 67, 124);
/* oklch */ color: oklch(38.6% 0.108 256.5);

Tailwind

colors: {
  custom: {
    50: '#6576a2',
    500: '#17437c',
    950: '#000000',
  },
}

SCSS

$custom: #17437c;
$custom-light: #6576a2;
$custom-dark: #000000;

JSON

{
  "hex": "#17437c",
  "rgb": {
    "r": 23,
    "g": 67,
    "b": 124
  },
  "hsl": {
    "h": 213.861,
    "s": 68.707,
    "l": 28.824
  },
  "oklch": {
    "l": 0.38571,
    "c": 0.108,
    "h": 256.5
  },
  "luminance": 0.05652
}

Semantic roles & 50–950 ramp

primary

#17437C

secondary

#B17F3E

accent

#9F3CEC

background

#F6F7FA

surface

#EBEDF3

border

#C6C8CD

text

#06080F

muted

#7A7B7F

Preview Lab

Preview with #17437C

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

Preview Lab → · Contrast checker → · Palette generator →