#455F72#455F72

#455F72 is a mid, muted cyan. Relative luminance 0.107; OKLCH L 47.2% C 0.044 H 240.5°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#455F72
RGB	rgb(69, 95, 114)
HSL	hsl(205, 25%, 36%)
HSV	hsv(205, 39%, 45%)
CMYK	cmyk(39.5%, 16.7%, 0%, 55.3%)
CIE-LAB	lab(39.01, -4.39, -13.83)
CIE-LCH	lch(39.01, 14.52, 252.38°)
OKLab	oklab(47.24% -0.0215 -0.0381)
OKLCH	oklch(47.24% 0.044 240.5)
XYZ	xyz(9.5827, 10.6640, 17.4697)
Luminance	0.1066 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#455F72 #725845

analogous

#45726E #455F72 #454872

triadic

#455F72 #72455F #5F7245

tetradic

#455F72 #6E4572 #725845 #487245

square

#455F72 #6E4572 #725845 #487245

split-complementary

#455F72 #724548 #726E45

monochromatic

#171F26 #2E3F4C #455F72 #5C7F98 #809DB2

Accessibility & contrast

On white

6.70

#455F72 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#455F72 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #455F72

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##455F72	#FFFFFF	#000000	##FFFFFF
##455F72	1.00	6.70	3.13	6.70
#FFFFFF	6.70	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575F73

Deuteranopia (green-blind)

#515A72

Tritanopia (blue-blind)

#356465

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #455f72;
/* rgb */ color: rgb(69, 95, 114);
/* oklch */ color: oklch(47.2% 0.044 240.5);

Tailwind

colors: {
  custom: {
    50: '#7a8c9a',
    500: '#455f72',
    950: '#000000',
  },
}

SCSS

$custom: #455f72;
$custom-light: #7a8c9a;
$custom-dark: #000000;

JSON

{
  "hex": "#455f72",
  "rgb": {
    "r": 69,
    "g": 95,
    "b": 114
  },
  "hsl": {
    "h": 205.333,
    "s": 24.59,
    "l": 35.882
  },
  "oklch": {
    "l": 0.47236,
    "c": 0.0438,
    "h": 240.5
  },
  "luminance": 0.10665
}

Semantic roles & 50–950 ramp

primary

#455F72

secondary

#9E8675

accent

#8D67C1

background

#F7F8F9

surface

#EEF0F2

border

#C9CBCC

text

#090C0E

muted

#7B7D7E

Preview Lab

Preview with #455F72

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

Preview Lab → · Contrast checker → · Palette generator →