#172E45#172E45

#172E45 is a dark, muted cyan. Relative luminance 0.026; OKLCH L 29.4% C 0.051 H 250.0°. Best body text is #FFFFFF at 13.88:1 contrast (WCAG AA passes).

Color values

HEX	#172E45
RGB	rgb(23, 46, 69)
HSL	hsl(210, 50%, 18%)
HSV	hsv(210, 67%, 27%)
CMYK	cmyk(66.7%, 33.3%, 0%, 72.9%)
CIE-LAB	lab(18.21, -0.70, -17.11)
CIE-LCH	lch(18.21, 17.12, 267.67°)
OKLab	oklab(29.43% -0.0176 -0.0482)
OKLCH	oklch(29.43% 0.051 250)
XYZ	xyz(2.4041, 2.5656, 5.9976)
Luminance	0.0257 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172E45 #452E17

analogous

#174545 #172E45 #171745

triadic

#172E45 #45172E #2E4517

tetradic

#172E45 #451745 #452E17 #174517

square

#172E45 #451745 #452E17 #174517

split-complementary

#172E45 #451717 #454517

monochromatic

#080F17 #080F17 #172E45 #264D73 #366BA1

Accessibility & contrast

On white

13.88

#172E45 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#172E45 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172E45

13.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172E45	#FFFFFF	#000000	##FFFFFF
##172E45	1.00	13.88	1.51	13.88
#FFFFFF	13.88	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#242F46

Deuteranopia (green-blind)

#1E2A45

Tritanopia (blue-blind)

#003336

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #172e45;
/* rgb */ color: rgb(23, 46, 69);
/* oklch */ color: oklch(29.4% 0.051 250.0);

Tailwind

colors: {
  custom: {
    50: '#596678',
    500: '#172e45',
    950: '#000000',
  },
}

SCSS

$custom: #172e45;
$custom-light: #596678;
$custom-dark: #000000;

JSON

{
  "hex": "#172e45",
  "rgb": {
    "r": 23,
    "g": 46,
    "b": 69
  },
  "hsl": {
    "h": 210,
    "s": 50,
    "l": 18.039
  },
  "oklch": {
    "l": 0.29434,
    "c": 0.05131,
    "h": 250
  },
  "luminance": 0.02566
}

Semantic roles & 50–950 ramp

primary

#172E45

secondary

#7C5C3C

accent

#944EDA

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#040509

muted

#797A7B

Preview Lab

Preview with #172E45

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

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