#4B91D9#4B91D9

#4B91D9 is a light, vivid cyan. Relative luminance 0.268; OKLCH L 64.4% C 0.130 H 251.1°. Best body text is #000000 at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#4B91D9
RGB	rgb(75, 145, 217)
HSL	hsl(210, 65%, 57%)
HSV	hsv(210, 65%, 85%)
CMYK	cmyk(65.4%, 33.2%, 0%, 14.9%)
CIE-LAB	lab(58.75, 0.50, -43.29)
CIE-LCH	lch(58.75, 43.29, 270.66°)
OKLab	oklab(64.36% -0.042 -0.1226)
OKLCH	oklch(64.36% 0.13 251.1)
XYZ	xyz(25.5468, 26.7538, 69.4499)
Luminance	0.2676 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B91D9 #D9934B

analogous

#4BD8D9 #4B91D9 #4C4BD9

triadic

#4B91D9 #D94B91 #91D94B

tetradic

#4B91D9 #D94BD8 #D9934B #4BD94C

square

#4B91D9 #D94BD8 #D9934B #4BD94C

split-complementary

#4B91D9 #D94C4B #D8D94B

monochromatic

#1E548C #2872BF #4B91D9 #7EB0E4 #B0CFEE

Accessibility & contrast

On white

3.31

#4B91D9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.35

#4B91D9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B91D9

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B91D9	#FFFFFF	#000000	##000000
##4B91D9	1.00	3.31	6.35	6.35
#FFFFFF	3.31	1.00	21.00	21.00
#000000	6.35	21.00	1.00	1.00
##000000	6.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7195DC

Deuteranopia (green-blind)

#5E87D8

Tritanopia (blue-blind)

#00A2AB

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #4b91d9;
/* rgb */ color: rgb(75, 145, 217);
/* oklch */ color: oklch(64.4% 0.130 251.1);

Tailwind

colors: {
  custom: {
    50: '#8bb0e5',
    500: '#4b91d9',
    950: '#000000',
  },
}

SCSS

$custom: #4b91d9;
$custom-light: #8bb0e5;
$custom-dark: #000000;

JSON

{
  "hex": "#4b91d9",
  "rgb": {
    "r": 75,
    "g": 145,
    "b": 217
  },
  "hsl": {
    "h": 210.423,
    "s": 65.138,
    "l": 57.255
  },
  "oklch": {
    "l": 0.64363,
    "c": 0.12961,
    "h": 251.1
  },
  "luminance": 0.26756
}

Semantic roles & 50–950 ramp

primary

#4B91D9

secondary

#DDC0A3

accent

#9540E8

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #4B91D9

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

Preview Lab → · Contrast checker → · Palette generator →