#4B91BA#4B91BA

#4B91BA is a light, moderate cyan. Relative luminance 0.253; OKLCH L 62.8% C 0.094 H 236.6°. Best body text is #000000 at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#4B91BA
RGB	rgb(75, 145, 186)
HSL	hsl(202, 45%, 51%)
HSV	hsv(202, 60%, 73%)
CMYK	cmyk(59.7%, 22%, 0%, 27.1%)
CIE-LAB	lab(57.36, -9.73, -28.00)
CIE-LCH	lch(57.36, 29.64, 250.85°)
OKLab	oklab(62.81% -0.0517 -0.0783)
OKLCH	oklch(62.81% 0.094 236.6)
XYZ	xyz(21.8866, 25.2898, 50.1729)
Luminance	0.2529 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B91BA #BA744B

analogous

#4BBAAB #4B91BA #4B59BA

triadic

#4B91BA #BA4B91 #91BA4B

tetradic

#4B91BA #AB4BBA #BA744B #59BA4B

square

#4B91BA #AB4BBA #BA744B #59BA4B

split-complementary

#4B91BA #BA4B59 #BAAB4B

monochromatic

#264D64 #377090 #4B91BA #77ACCB #A3C7DC

Accessibility & contrast

On white

3.47

#4B91BA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.06

#4B91BA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B91BA

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B91BA	#FFFFFF	#000000	##000000
##4B91BA	1.00	3.47	6.06	6.06
#FFFFFF	3.47	1.00	21.00	21.00
#000000	6.06	21.00	1.00	1.00
##000000	6.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E90BC

Deuteranopia (green-blind)

#6F85B9

Tritanopia (blue-blind)

#009C9F

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #4b91ba;
/* rgb */ color: rgb(75, 145, 186);
/* oklch */ color: oklch(62.8% 0.094 236.6);

Tailwind

colors: {
  custom: {
    50: '#87b1cf',
    500: '#4b91ba',
    950: '#000000',
  },
}

SCSS

$custom: #4b91ba;
$custom-light: #87b1cf;
$custom-dark: #000000;

JSON

{
  "hex": "#4b91ba",
  "rgb": {
    "r": 75,
    "g": 145,
    "b": 186
  },
  "hsl": {
    "h": 202.162,
    "s": 44.578,
    "l": 51.176
  },
  "oklch": {
    "l": 0.62811,
    "c": 0.09386,
    "h": 236.6
  },
  "luminance": 0.25292
}

Semantic roles & 50–950 ramp

primary

#4B91BA

secondary

#C9AA98

accent

#8354D4

background

#F8FAFC

surface

#F0F5F9

border

#CBCFD2

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #4B91BA

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

Preview Lab → · Contrast checker → · Palette generator →