#4B91D8#4B91D8

#4B91D8 is a light, vivid cyan. Relative luminance 0.267; OKLCH L 64.3% C 0.128 H 250.8°. Best body text is #000000 at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#4B91D8
RGB	rgb(75, 145, 216)
HSL	hsl(210, 64%, 57%)
HSV	hsv(210, 65%, 85%)
CMYK	cmyk(65.3%, 32.9%, 0%, 15.3%)
CIE-LAB	lab(58.70, 0.16, -42.81)
CIE-LCH	lch(58.70, 42.81, 270.21°)
OKLab	oklab(64.31% -0.0423 -0.1212)
OKLCH	oklch(64.31% 0.128 250.8)
XYZ	xyz(25.4171, 26.7020, 68.7669)
Luminance	0.2671 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B91D8 #D8924B

analogous

#4BD8D8 #4B91D8 #4C4BD8

triadic

#4B91D8 #D84B91 #91D84B

tetradic

#4B91D8 #D84BD8 #D8924B #4BD84C

square

#4B91D8 #D84BD8 #D8924B #4BD84C

split-complementary

#4B91D8 #D84C4B #D8D84B

monochromatic

#1E548B #2972BD #4B91D8 #7DB0E3 #B0CEEE

Accessibility & contrast

On white

3.31

#4B91D8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.34

#4B91D8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B91D8

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B91D8	#FFFFFF	#000000	##000000
##4B91D8	1.00	3.31	6.34	6.34
#FFFFFF	3.31	1.00	21.00	21.00
#000000	6.34	21.00	1.00	1.00
##000000	6.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7295DB

Deuteranopia (green-blind)

#5E87D7

Tritanopia (blue-blind)

#00A2AB

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #4b91d8;
/* rgb */ color: rgb(75, 145, 216);
/* oklch */ color: oklch(64.3% 0.128 250.8);

Tailwind

colors: {
  custom: {
    50: '#8bb0e4',
    500: '#4b91d8',
    950: '#000000',
  },
}

SCSS

$custom: #4b91d8;
$custom-light: #8bb0e4;
$custom-dark: #000000;

JSON

{
  "hex": "#4b91d8",
  "rgb": {
    "r": 75,
    "g": 145,
    "b": 216
  },
  "hsl": {
    "h": 210.213,
    "s": 64.384,
    "l": 57.059
  },
  "oklch": {
    "l": 0.6431,
    "c": 0.12837,
    "h": 250.8
  },
  "luminance": 0.26705
}

Semantic roles & 50–950 ramp

primary

#4B91D8

secondary

#DCC0A3

accent

#9440E7

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D1015

muted

#7E7F84

Preview Lab

Preview with #4B91D8

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

Preview Lab → · Contrast checker → · Palette generator →