#3A91BB#3A91BB

#3A91BB is a light, moderate cyan. Relative luminance 0.247; OKLCH L 62.2% C 0.104 H 233.0°. Best body text is #000000 at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#3A91BB
RGB	rgb(58, 145, 187)
HSL	hsl(200, 53%, 48%)
HSV	hsv(200, 69%, 73%)
CMYK	cmyk(69%, 22.5%, 0%, 26.7%)
CIE-LAB	lab(56.82, -12.38, -29.45)
CIE-LCH	lch(56.82, 31.95, 247.19°)
OKLab	oklab(62.23% -0.0624 -0.0827)
OKLCH	oklch(62.23% 0.104 233)
XYZ	xyz(20.8364, 24.7359, 50.6805)
Luminance	0.2474 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A91BB #BB643A

analogous

#3ABBA4 #3A91BB #3A50BB

triadic

#3A91BB #BB3A91 #91BB3A

tetradic

#3A91BB #A43ABB #BB643A #50BB3A

square

#3A91BB #A43ABB #BB643A #50BB3A

split-complementary

#3A91BB #BB3A50 #BBA43A

monochromatic

#1D495E #2C6D8C #3A91BB #63ACCF #92C5DD

Accessibility & contrast

On white

3.53

#3A91BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.95

#3A91BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A91BB

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A91BB	#FFFFFF	#000000	##000000
##3A91BB	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)

#7C90BD

Deuteranopia (green-blind)

#6B83BA

Tritanopia (blue-blind)

#009C9F

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #3a91bb;
/* rgb */ color: rgb(58, 145, 187);
/* oklch */ color: oklch(62.2% 0.104 233.0);

Tailwind

colors: {
  custom: {
    50: '#7fb1cf',
    500: '#3a91bb',
    950: '#000000',
  },
}

SCSS

$custom: #3a91bb;
$custom-light: #7fb1cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3a91bb",
  "rgb": {
    "r": 58,
    "g": 145,
    "b": 187
  },
  "hsl": {
    "h": 199.535,
    "s": 52.653,
    "l": 48.039
  },
  "oklch": {
    "l": 0.62233,
    "c": 0.10358,
    "h": 233
  },
  "luminance": 0.24738
}

Semantic roles & 50–950 ramp

primary

#3A91BB

secondary

#C89D88

accent

#7B4CDC

background

#F8FAFC

surface

#EFF5F9

border

#CACFD2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #3A91BB

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

Preview Lab → · Contrast checker → · Palette generator →