#3B91C8#3B91C8

#3B91C8 is a light, moderate cyan. Relative luminance 0.254; OKLCH L 62.9% C 0.116 H 240.4°. Best body text is #000000 at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#3B91C8
RGB	rgb(59, 145, 200)
HSL	hsl(203, 56%, 51%)
HSV	hsv(203, 71%, 78%)
CMYK	cmyk(70.5%, 27.5%, 0%, 21.6%)
CIE-LAB	lab(57.41, -7.82, -35.87)
CIE-LCH	lch(57.41, 36.72, 257.70°)
OKLab	oklab(62.9% -0.0574 -0.1012)
OKLCH	oklch(62.9% 0.116 240.4)
XYZ	xyz(22.3503, 25.3483, 58.3472)
Luminance	0.2535 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B91C8 #C8723B

analogous

#3BC8B8 #3B91C8 #3B4AC8

triadic

#3B91C8 #C83B91 #91C83B

tetradic

#3B91C8 #B83BC8 #C8723B #4AC83B

square

#3B91C8 #B83BC8 #C8723B #4AC83B

split-complementary

#3B91C8 #C83B4A #C8B83B

monochromatic

#1E4D6B #2B6F9A #3B91C8 #6BACD5 #9BC7E3

Accessibility & contrast

On white

3.46

#3B91C8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.07

#3B91C8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B91C8

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B91C8	#FFFFFF	#000000	##000000
##3B91C8	1.00	3.46	6.07	6.07
#FFFFFF	3.46	1.00	21.00	21.00
#000000	6.07	21.00	1.00	1.00
##000000	6.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7891CA

Deuteranopia (green-blind)

#6484C7

Tritanopia (blue-blind)

#009FA4

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #3b91c8;
/* rgb */ color: rgb(59, 145, 200);
/* oklch */ color: oklch(62.9% 0.116 240.4);

Tailwind

colors: {
  custom: {
    50: '#82b1d9',
    500: '#3b91c8',
    950: '#000000',
  },
}

SCSS

$custom: #3b91c8;
$custom-light: #82b1d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3b91c8",
  "rgb": {
    "r": 59,
    "g": 145,
    "b": 200
  },
  "hsl": {
    "h": 203.404,
    "s": 56.175,
    "l": 50.784
  },
  "oklch": {
    "l": 0.62901,
    "c": 0.11637,
    "h": 240.4
  },
  "luminance": 0.25351
}

Semantic roles & 50–950 ramp

primary

#3B91C8

secondary

#CFA990

accent

#8348DF

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C1014

muted

#7D7F83

Preview Lab

Preview with #3B91C8

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

Preview Lab → · Contrast checker → · Palette generator →