#3D91B2#3D91B2

#3D91B2 is a mid, moderate cyan. Relative luminance 0.245; OKLCH L 61.9% C 0.094 H 227.3°. Best body text is #000000 at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#3D91B2
RGB	rgb(61, 145, 178)
HSL	hsl(197, 49%, 47%)
HSV	hsv(197, 66%, 70%)
CMYK	cmyk(65.7%, 18.5%, 0%, 30.2%)
CIE-LAB	lab(56.54, -14.87, -24.75)
CIE-LCH	lch(56.54, 28.88, 239.00°)
OKLab	oklab(61.92% -0.0639 -0.0692)
OKLCH	oklch(61.92% 0.094 227.3)
XYZ	xyz(20.0826, 24.4551, 45.7728)
Luminance	0.2446 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D91B2 #B25E3D

analogous

#3DB299 #3D91B2 #3D57B2

triadic

#3D91B2 #B23D91 #91B23D

tetradic

#3D91B2 #993DB2 #B25E3D #57B23D

square

#3D91B2 #993DB2 #B25E3D #57B23D

split-complementary

#3D91B2 #B23D57 #B2993D

monochromatic

#1E4757 #2D6C84 #3D91B2 #63ACC9 #90C5D9

Accessibility & contrast

On white

3.56

#3D91B2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.89

#3D91B2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3D91B2

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D91B2	#FFFFFF	#000000	##000000
##3D91B2	1.00	3.56	5.89	5.89
#FFFFFF	3.56	1.00	21.00	21.00
#000000	5.89	21.00	1.00	1.00
##000000	5.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F8EB4

Deuteranopia (green-blind)

#6F82B2

Tritanopia (blue-blind)

#009B9C

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #3d91b2;
/* rgb */ color: rgb(61, 145, 178);
/* oklch */ color: oklch(61.9% 0.094 227.3);

Tailwind

colors: {
  custom: {
    50: '#7fb1c9',
    500: '#3d91b2',
    950: '#000000',
  },
}

SCSS

$custom: #3d91b2;
$custom-light: #7fb1c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3d91b2",
  "rgb": {
    "r": 61,
    "g": 145,
    "b": 178
  },
  "hsl": {
    "h": 196.923,
    "s": 48.954,
    "l": 46.863
  },
  "oklch": {
    "l": 0.61916,
    "c": 0.0942,
    "h": 227.3
  },
  "luminance": 0.24457
}

Semantic roles & 50–950 ramp

primary

#3D91B2

secondary

#C49887

accent

#764FD9

background

#F8FAFC

surface

#EFF5F8

border

#CACFD1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3D91B2

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

Preview Lab → · Contrast checker → · Palette generator →