#4B91CF#4B91CF

#4B91CF is a light, moderate cyan. Relative luminance 0.263; OKLCH L 63.8% C 0.117 H 247.5°. Best body text is #000000 at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#4B91CF
RGB	rgb(75, 145, 207)
HSL	hsl(208, 58%, 55%)
HSV	hsv(208, 64%, 81%)
CMYK	cmyk(63.8%, 30%, 0%, 18.8%)
CIE-LAB	lab(58.27, -2.86, -38.43)
CIE-LCH	lch(58.27, 38.54, 265.74°)
OKLab	oklab(63.84% -0.0449 -0.1085)
OKLCH	oklch(63.84% 0.117 247.5)
XYZ	xyz(24.2854, 26.2492, 62.8062)
Luminance	0.2625 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B91CF #CF894B

analogous

#4BCFCB #4B91CF #4B4FCF

triadic

#4B91CF #CF4B91 #91CF4B

tetradic

#4B91CF #CB4BCF #CF894B #4FCF4B

square

#4B91CF #CB4BCF #CF894B #4FCF4B

split-complementary

#4B91CF #CF4B4F #CFCB4B

monochromatic

#22537E #2E72AE #4B91CF #7BAFDC #ACCCE9

Accessibility & contrast

On white

3.36

#4B91CF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.25

#4B91CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B91CF

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B91CF	#FFFFFF	#000000	##000000
##4B91CF	1.00	3.36	6.25	6.25
#FFFFFF	3.36	1.00	21.00	21.00
#000000	6.25	21.00	1.00	1.00
##000000	6.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7693D2

Deuteranopia (green-blind)

#6486CE

Tritanopia (blue-blind)

#00A0A7

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #4b91cf;
/* rgb */ color: rgb(75, 145, 207);
/* oklch */ color: oklch(63.8% 0.117 247.5);

Tailwind

colors: {
  custom: {
    50: '#8ab1de',
    500: '#4b91cf',
    950: '#000000',
  },
}

SCSS

$custom: #4b91cf;
$custom-light: #8ab1de;
$custom-dark: #000000;

JSON

{
  "hex": "#4b91cf",
  "rgb": {
    "r": 75,
    "g": 145,
    "b": 207
  },
  "hsl": {
    "h": 208.182,
    "s": 57.895,
    "l": 55.294
  },
  "oklch": {
    "l": 0.63837,
    "c": 0.11738,
    "h": 247.5
  },
  "luminance": 0.26252
}

Semantic roles & 50–950 ramp

primary

#4B91CF

secondary

#D6B99F

accent

#8F47E1

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #4B91CF

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

Preview Lab → · Contrast checker → · Palette generator →