#4D91BF#4D91BF

#4D91BF is a light, moderate cyan. Relative luminance 0.256; OKLCH L 63.1% C 0.098 H 240.3°. Best body text is #000000 at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#4D91BF
RGB	rgb(77, 145, 191)
HSL	hsl(204, 47%, 53%)
HSV	hsv(204, 60%, 75%)
CMYK	cmyk(59.7%, 24.1%, 0%, 25.1%)
CIE-LAB	lab(57.64, -7.73, -30.38)
CIE-LCH	lch(57.64, 31.35, 255.72°)
OKLab	oklab(63.13% -0.0485 -0.0852)
OKLCH	oklch(63.13% 0.098 240.3)
XYZ	xyz(22.5864, 25.5881, 53.0288)
Luminance	0.2559 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D91BF #BF7B4D

analogous

#4DBFB4 #4D91BF #4D58BF

triadic

#4D91BF #BF4D91 #91BF4D

tetradic

#4D91BF #B44DBF #BF7B4D #58BF4D

square

#4D91BF #B44DBF #BF7B4D #58BF4D

split-complementary

#4D91BF #BF4D58 #BFB44D

monochromatic

#274F6B #377198 #4D91BF #7AADCF #A7C9DF

Accessibility & contrast

On white

3.43

#4D91BF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.12

#4D91BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4D91BF

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D91BF	#FFFFFF	#000000	##000000
##4D91BF	1.00	3.43	6.12	6.12
#FFFFFF	3.43	1.00	21.00	21.00
#000000	6.12	21.00	1.00	1.00
##000000	6.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C91C1

Deuteranopia (green-blind)

#6D85BE

Tritanopia (blue-blind)

#009CA1

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #4d91bf;
/* rgb */ color: rgb(77, 145, 191);
/* oklch */ color: oklch(63.1% 0.098 240.3);

Tailwind

colors: {
  custom: {
    50: '#88b1d2',
    500: '#4d91bf',
    950: '#000000',
  },
}

SCSS

$custom: #4d91bf;
$custom-light: #88b1d2;
$custom-dark: #000000;

JSON

{
  "hex": "#4d91bf",
  "rgb": {
    "r": 77,
    "g": 145,
    "b": 191
  },
  "hsl": {
    "h": 204.211,
    "s": 47.107,
    "l": 52.549
  },
  "oklch": {
    "l": 0.63129,
    "c": 0.09801,
    "h": 240.3
  },
  "luminance": 0.2559
}

Semantic roles & 50–950 ramp

primary

#4D91BF

secondary

#CDAF9B

accent

#8751D7

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C1014

muted

#7D7F82

Preview Lab

Preview with #4D91BF

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

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