#3B91BA#3B91BA

#3B91BA is a light, moderate cyan. Relative luminance 0.247; OKLCH L 62.2% C 0.102 H 232.5°. Best body text is #000000 at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#3B91BA
RGB	rgb(59, 145, 186)
HSL	hsl(199, 52%, 48%)
HSV	hsv(199, 68%, 73%)
CMYK	cmyk(68.3%, 22%, 0%, 27.1%)
CIE-LAB	lab(56.80, -12.56, -28.90)
CIE-LCH	lch(56.80, 31.51, 246.51°)
OKLab	oklab(62.22% -0.0622 -0.0811)
OKLCH	oklch(62.22% 0.102 232.5)
XYZ	xyz(20.7885, 24.7235, 50.1214)
Luminance	0.2473 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B91BA #BA643B

analogous

#3BBAA3 #3B91BA #3B51BA

triadic

#3B91BA #BA3B91 #91BA3B

tetradic

#3B91BA #A33BBA #BA643B #51BA3B

square

#3B91BA #A33BBA #BA643B #51BA3B

split-complementary

#3B91BA #BA3B51 #BAA33B

monochromatic

#1E495D #2C6D8C #3B91BA #64ACCE #93C5DD

Accessibility & contrast

On white

3.53

#3B91BA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.95

#3B91BA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B91BA

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B91BA	#FFFFFF	#000000	##000000
##3B91BA	1.00	3.53	5.95	5.95
#FFFFFF	3.53	1.00	21.00	21.00
#000000	5.95	21.00	1.00	1.00
##000000	5.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D8FBC

Deuteranopia (green-blind)

#6B83B9

Tritanopia (blue-blind)

#009C9F

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #3b91ba;
/* rgb */ color: rgb(59, 145, 186);
/* oklch */ color: oklch(62.2% 0.102 232.5);

Tailwind

colors: {
  custom: {
    50: '#80b1cf',
    500: '#3b91ba',
    950: '#000000',
  },
}

SCSS

$custom: #3b91ba;
$custom-light: #80b1cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3b91ba",
  "rgb": {
    "r": 59,
    "g": 145,
    "b": 186
  },
  "hsl": {
    "h": 199.37,
    "s": 51.837,
    "l": 48.039
  },
  "oklch": {
    "l": 0.62218,
    "c": 0.10217,
    "h": 232.5
  },
  "luminance": 0.24726
}

Semantic roles & 50–950 ramp

primary

#3B91BA

secondary

#C89D89

accent

#7B4DDB

background

#F8FAFC

surface

#EFF5F9

border

#CACFD2

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3B91BA

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

Preview Lab → · Contrast checker → · Palette generator →