#4291BA#4291BA

#4291BA is a light, moderate cyan. Relative luminance 0.250; OKLCH L 62.5% C 0.099 H 234.1°. Best body text is #000000 at 5.99:1 contrast (WCAG AA passes).

Color values

HEX	#4291BA
RGB	rgb(66, 145, 186)
HSL	hsl(201, 48%, 49%)
HSV	hsv(201, 65%, 73%)
CMYK	cmyk(64.5%, 22%, 0%, 27.1%)
CIE-LAB	lab(57.03, -11.40, -28.54)
CIE-LCH	lch(57.03, 30.73, 248.22°)
OKLab	oklab(62.46% -0.0579 -0.08)
OKLCH	oklch(62.46% 0.099 234.1)
XYZ	xyz(21.2317, 24.9520, 50.1422)
Luminance	0.2495 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4291BA #BA6B42

analogous

#42BAA7 #4291BA #4255BA

triadic

#4291BA #BA4291 #91BA42

tetradic

#4291BA #A742BA #BA6B42 #55BA42

square

#4291BA #A742BA #BA6B42 #55BA42

split-complementary

#4291BA #BA4255 #BAA742

monochromatic

#224B60 #326E8D #4291BA #6EABCB #9BC5DB

Accessibility & contrast

On white

3.51

#4291BA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.99

#4291BA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4291BA

5.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4291BA	#FFFFFF	#000000	##000000
##4291BA	1.00	3.51	5.99	5.99
#FFFFFF	3.51	1.00	21.00	21.00
#000000	5.99	21.00	1.00	1.00
##000000	5.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D90BC

Deuteranopia (green-blind)

#6D84B9

Tritanopia (blue-blind)

#009C9F

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #4291ba;
/* rgb */ color: rgb(66, 145, 186);
/* oklch */ color: oklch(62.5% 0.099 234.1);

Tailwind

colors: {
  custom: {
    50: '#83b1cf',
    500: '#4291ba',
    950: '#000000',
  },
}

SCSS

$custom: #4291ba;
$custom-light: #83b1cf;
$custom-dark: #000000;

JSON

{
  "hex": "#4291ba",
  "rgb": {
    "r": 66,
    "g": 145,
    "b": 186
  },
  "hsl": {
    "h": 200.5,
    "s": 47.619,
    "l": 49.412
  },
  "oklch": {
    "l": 0.62459,
    "c": 0.09871,
    "h": 234.1
  },
  "luminance": 0.24954
}

Semantic roles & 50–950 ramp

primary

#4291BA

secondary

#C8A390

accent

#7F51D7

background

#F8FAFC

surface

#F0F5F9

border

#CBCFD2

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #4291BA

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

Preview Lab → · Contrast checker → · Palette generator →