#4B838F#4B838F

#4B838F is a mid, moderate cyan. Relative luminance 0.197; OKLCH L 57.6% C 0.062 H 213.0°. Best body text is #000000 at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#4B838F
RGB	rgb(75, 131, 143)
HSL	hsl(191, 31%, 43%)
HSV	hsv(191, 48%, 56%)
CMYK	cmyk(47.6%, 8.4%, 0%, 43.9%)
CIE-LAB	lab(51.51, -15.06, -12.20)
CIE-LCH	lch(51.51, 19.38, 219.03°)
OKLab	oklab(57.61% -0.0518 -0.0336)
OKLCH	oklch(57.61% 0.062 213)
XYZ	xyz(15.9740, 19.7104, 28.9440)
Luminance	0.1971 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B838F #8F574B

analogous

#4B8F79 #4B838F #4B618F

triadic

#4B838F #8F4B83 #838F4B

tetradic

#4B838F #794B8F #8F574B #618F4B

square

#4B838F #794B8F #8F574B #618F4B

split-complementary

#4B838F #8F4B61 #8F794B

monochromatic

#21393F #365E67 #4B838F #68A3B0 #90BBC5

Accessibility & contrast

On white

4.25

#4B838F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.94

#4B838F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B838F

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B838F	#FFFFFF	#000000	##000000
##4B838F	1.00	4.25	4.94	4.94
#FFFFFF	4.25	1.00	21.00	21.00
#000000	4.94	21.00	1.00	1.00
##000000	4.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A7F90

Deuteranopia (green-blind)

#6F778F

Tritanopia (blue-blind)

#298887

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #4b838f;
/* rgb */ color: rgb(75, 131, 143);
/* oklch */ color: oklch(57.6% 0.062 213.0);

Tailwind

colors: {
  custom: {
    50: '#82a7af',
    500: '#4b838f',
    950: '#000000',
  },
}

SCSS

$custom: #4b838f;
$custom-light: #82a7af;
$custom-dark: #000000;

JSON

{
  "hex": "#4b838f",
  "rgb": {
    "r": 75,
    "g": 131,
    "b": 143
  },
  "hsl": {
    "h": 190.588,
    "s": 31.193,
    "l": 42.745
  },
  "oklch": {
    "l": 0.57612,
    "c": 0.06176,
    "h": 213
  },
  "luminance": 0.19712
}

Semantic roles & 50–950 ramp

primary

#4B838F

secondary

#B18D85

accent

#7360C7

background

#F8FAFA

surface

#EFF4F4

border

#CACECE

text

#0B0F10

muted

#7C7F7F

Preview Lab

Preview with #4B838F

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

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