#4F91B3#4F91B3

#4F91B3 is a light, moderate cyan. Relative luminance 0.252; OKLCH L 62.7% C 0.085 H 232.8°. Best body text is #000000 at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#4F91B3
RGB	rgb(79, 145, 179)
HSL	hsl(200, 40%, 51%)
HSV	hsv(200, 56%, 70%)
CMYK	cmyk(55.9%, 19%, 0%, 29.8%)
CIE-LAB	lab(57.24, -11.10, -24.20)
CIE-LCH	lch(57.24, 26.62, 245.35°)
OKLab	oklab(62.67% -0.0512 -0.0674)
OKLCH	oklch(62.67% 0.085 232.8)
XYZ	xyz(21.4835, 25.1658, 46.3644)
Luminance	0.2517 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F91B3 #B3714F

analogous

#4FB3A3 #4F91B3 #4F5FB3

triadic

#4F91B3 #B34F91 #91B34F

tetradic

#4F91B3 #A34FB3 #B3714F #5FB34F

square

#4F91B3 #A34FB3 #B3714F #5FB34F

split-complementary

#4F91B3 #B34F5F #B3A34F

monochromatic

#294C5F #3B6F89 #4F91B3 #7AACC5 #A4C6D8

Accessibility & contrast

On white

3.48

#4F91B3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.03

#4F91B3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F91B3

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F91B3	#FFFFFF	#000000	##000000
##4F91B3	1.00	3.48	6.03	6.03
#FFFFFF	3.48	1.00	21.00	21.00
#000000	6.03	21.00	1.00	1.00
##000000	6.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#808FB5

Deuteranopia (green-blind)

#7285B3

Tritanopia (blue-blind)

#009A9C

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #4f91b3;
/* rgb */ color: rgb(79, 145, 179);
/* oklch */ color: oklch(62.7% 0.085 232.8);

Tailwind

colors: {
  custom: {
    50: '#88b1c9',
    500: '#4f91b3',
    950: '#000000',
  },
}

SCSS

$custom: #4f91b3;
$custom-light: #88b1c9;
$custom-dark: #000000;

JSON

{
  "hex": "#4f91b3",
  "rgb": {
    "r": 79,
    "g": 145,
    "b": 179
  },
  "hsl": {
    "h": 200.4,
    "s": 39.683,
    "l": 50.588
  },
  "oklch": {
    "l": 0.62667,
    "c": 0.08468,
    "h": 232.8
  },
  "luminance": 0.25168
}

Semantic roles & 50–950 ramp

primary

#4F91B3

secondary

#C5A899

accent

#8158D0

background

#F8FAFC

surface

#F0F5F8

border

#CBCFD1

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #4F91B3

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

Preview Lab → · Contrast checker → · Palette generator →