#4B91DA#4B91DA

#4B91DA is a light, vivid cyan. Relative luminance 0.268; OKLCH L 64.4% C 0.131 H 251.4°. Best body text is #000000 at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#4B91DA
RGB	rgb(75, 145, 218)
HSL	hsl(211, 66%, 57%)
HSV	hsv(211, 66%, 85%)
CMYK	cmyk(65.6%, 33.5%, 0%, 14.5%)
CIE-LAB	lab(58.79, 0.84, -43.77)
CIE-LCH	lch(58.79, 43.78, 271.10°)
OKLab	oklab(64.42% -0.0417 -0.124)
OKLCH	oklch(64.42% 0.131 251.4)
XYZ	xyz(25.6773, 26.8060, 70.1369)
Luminance	0.2681 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B91DA #DA944B

analogous

#4BD9DA #4B91DA #4C4BDA

triadic

#4B91DA #DA4B91 #91DA4B

tetradic

#4B91DA #DA4BD9 #DA944B #4BDA4C

square

#4B91DA #DA4BD9 #DA944B #4BDA4C

split-complementary

#4B91DA #DA4C4B #D9DA4B

monochromatic

#1D548E #2872C0 #4B91DA #7EB0E4 #B1CFEF

Accessibility & contrast

On white

3.30

#4B91DA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.36

#4B91DA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B91DA

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B91DA	#FFFFFF	#000000	##000000
##4B91DA	1.00	3.30	6.36	6.36
#FFFFFF	3.30	1.00	21.00	21.00
#000000	6.36	21.00	1.00	1.00
##000000	6.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7195DD

Deuteranopia (green-blind)

#5D87D9

Tritanopia (blue-blind)

#00A2AB

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #4b91da;
/* rgb */ color: rgb(75, 145, 218);
/* oklch */ color: oklch(64.4% 0.131 251.4);

Tailwind

colors: {
  custom: {
    50: '#8bb0e6',
    500: '#4b91da',
    950: '#000000',
  },
}

SCSS

$custom: #4b91da;
$custom-light: #8bb0e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4b91da",
  "rgb": {
    "r": 75,
    "g": 145,
    "b": 218
  },
  "hsl": {
    "h": 210.629,
    "s": 65.899,
    "l": 57.451
  },
  "oklch": {
    "l": 0.64417,
    "c": 0.13086,
    "h": 251.4
  },
  "luminance": 0.26809
}

Semantic roles & 50–950 ramp

primary

#4B91DA

secondary

#DDC1A4

accent

#963FE9

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #4B91DA

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

Preview Lab → · Contrast checker → · Palette generator →