#4091B8#4091B8

#4091B8 is a light, moderate cyan. Relative luminance 0.248; OKLCH L 62.3% C 0.098 H 232.3°. Best body text is #000000 at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#4091B8
RGB	rgb(64, 145, 184)
HSL	hsl(200, 48%, 49%)
HSV	hsv(200, 65%, 72%)
CMYK	cmyk(65.2%, 21.2%, 0%, 27.8%)
CIE-LAB	lab(56.88, -12.40, -27.64)
CIE-LCH	lch(56.88, 30.29, 245.83°)
OKLab	oklab(62.29% -0.0599 -0.0774)
OKLCH	oklch(62.29% 0.098 232.3)
XYZ	xyz(20.8881, 24.7993, 49.0240)
Luminance	0.2480 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4091B8 #B86740

analogous

#40B8A3 #4091B8 #4055B8

triadic

#4091B8 #B84091 #91B840

tetradic

#4091B8 #A340B8 #B86740 #55B840

square

#4091B8 #A340B8 #B86740 #55B840

split-complementary

#4091B8 #B84055 #B8A340

monochromatic

#20495D #306D8B #4091B8 #6AACCB #97C5DB

Accessibility & contrast

On white

3.52

#4091B8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.96

#4091B8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4091B8

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4091B8	#FFFFFF	#000000	##000000
##4091B8	1.00	3.52	5.96	5.96
#FFFFFF	3.52	1.00	21.00	21.00
#000000	5.96	21.00	1.00	1.00
##000000	5.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E8FBA

Deuteranopia (green-blind)

#6D83B7

Tritanopia (blue-blind)

#009C9E

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #4091b8;
/* rgb */ color: rgb(64, 145, 184);
/* oklch */ color: oklch(62.3% 0.098 232.3);

Tailwind

colors: {
  custom: {
    50: '#81b1cd',
    500: '#4091b8',
    950: '#000000',
  },
}

SCSS

$custom: #4091b8;
$custom-light: #81b1cd;
$custom-dark: #000000;

JSON

{
  "hex": "#4091b8",
  "rgb": {
    "r": 64,
    "g": 145,
    "b": 184
  },
  "hsl": {
    "h": 199.5,
    "s": 48.387,
    "l": 48.627
  },
  "oklch": {
    "l": 0.62294,
    "c": 0.09785,
    "h": 232.3
  },
  "luminance": 0.24801
}

Semantic roles & 50–950 ramp

primary

#4091B8

secondary

#C7A08D

accent

#7C50D8

background

#F8FAFC

surface

#F0F5F9

border

#CBCFD2

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #4091B8

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

Preview Lab → · Contrast checker → · Palette generator →