#4B91DF#4B91DF

#4B91DF is a light, vivid cyan. Relative luminance 0.271; OKLCH L 64.7% C 0.137 H 252.9°. Best body text is #000000 at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#4B91DF
RGB	rgb(75, 145, 223)
HSL	hsl(212, 70%, 58%)
HSV	hsv(212, 66%, 87%)
CMYK	cmyk(66.4%, 35%, 0%, 12.5%)
CIE-LAB	lab(59.04, 2.54, -46.17)
CIE-LCH	lch(59.04, 46.24, 273.15°)
OKLab	oklab(64.69% -0.0404 -0.131)
OKLCH	oklch(64.69% 0.137 252.9)
XYZ	xyz(26.3414, 27.0717, 73.6349)
Luminance	0.2707 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B91DF #DF994B

analogous

#4BDBDF #4B91DF #4F4BDF

triadic

#4B91DF #DF4B91 #91DF4B

tetradic

#4B91DF #DF4BDB #DF994B #4BDF4F

square

#4B91DF #DF4BDB #DF994B #4BDF4F

split-complementary

#4B91DF #DF4F4B #DBDF4B

monochromatic

#1B5495 #2472C9 #4B91DF #7FB1E8 #B3D1F1

Accessibility & contrast

On white

3.27

#4B91DF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.41

#4B91DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B91DF

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B91DF	#FFFFFF	#000000	##000000
##4B91DF	1.00	3.27	6.41	6.41
#FFFFFF	3.27	1.00	21.00	21.00
#000000	6.41	21.00	1.00	1.00
##000000	6.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F96E2

Deuteranopia (green-blind)

#5A88DD

Tritanopia (blue-blind)

#00A3AD

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #4b91df;
/* rgb */ color: rgb(75, 145, 223);
/* oklch */ color: oklch(64.7% 0.137 252.9);

Tailwind

colors: {
  custom: {
    50: '#8cb0e9',
    500: '#4b91df',
    950: '#000000',
  },
}

SCSS

$custom: #4b91df;
$custom-light: #8cb0e9;
$custom-dark: #000000;

JSON

{
  "hex": "#4b91df",
  "rgb": {
    "r": 75,
    "g": 145,
    "b": 223
  },
  "hsl": {
    "h": 211.622,
    "s": 69.811,
    "l": 58.431
  },
  "oklch": {
    "l": 0.64691,
    "c": 0.13713,
    "h": 252.9
  },
  "luminance": 0.27074
}

Semantic roles & 50–950 ramp

primary

#4B91DF

secondary

#E0C4A6

accent

#993BED

background

#F9FAFE

surface

#F1F4FD

border

#CBCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #4B91DF

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

Preview Lab → · Contrast checker → · Palette generator →