#3D91BF#3D91BF

#3D91BF is a light, moderate cyan. Relative luminance 0.250; OKLCH L 62.5% C 0.106 H 236.1°. Best body text is #000000 at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#3D91BF
RGB	rgb(61, 145, 191)
HSL	hsl(201, 52%, 49%)
HSV	hsv(201, 68%, 75%)
CMYK	cmyk(68.1%, 24.1%, 0%, 25.1%)
CIE-LAB	lab(57.08, -10.57, -31.31)
CIE-LCH	lch(57.08, 33.04, 251.34°)
OKLab	oklab(62.52% -0.0592 -0.088)
OKLCH	oklch(62.52% 0.106 236.1)
XYZ	xyz(21.4502, 25.0022, 52.9756)
Luminance	0.2500 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D91BF #BF6B3D

analogous

#3DBFAC #3D91BF #3D50BF

triadic

#3D91BF #BF3D91 #91BF3D

tetradic

#3D91BF #AC3DBF #BF6B3D #50BF3D

square

#3D91BF #AC3DBF #BF6B3D #50BF3D

split-complementary

#3D91BF #BF3D50 #BFAC3D

monochromatic

#1F4B62 #2E6E91 #3D91BF #6AABCF #98C5DE

Accessibility & contrast

On white

3.50

#3D91BF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.00

#3D91BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3D91BF

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D91BF	#FFFFFF	#000000	##000000
##3D91BF	1.00	3.50	6.00	6.00
#FFFFFF	3.50	1.00	21.00	21.00
#000000	6.00	21.00	1.00	1.00
##000000	6.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B90C1

Deuteranopia (green-blind)

#6983BE

Tritanopia (blue-blind)

#009DA1

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #3d91bf;
/* rgb */ color: rgb(61, 145, 191);
/* oklch */ color: oklch(62.5% 0.106 236.1);

Tailwind

colors: {
  custom: {
    50: '#81b1d2',
    500: '#3d91bf',
    950: '#000000',
  },
}

SCSS

$custom: #3d91bf;
$custom-light: #81b1d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3d91bf",
  "rgb": {
    "r": 61,
    "g": 145,
    "b": 191
  },
  "hsl": {
    "h": 201.231,
    "s": 51.587,
    "l": 49.412
  },
  "oklch": {
    "l": 0.62522,
    "c": 0.10608,
    "h": 236.1
  },
  "luminance": 0.25004
}

Semantic roles & 50–950 ramp

primary

#3D91BF

secondary

#CAA38E

accent

#7F4DDB

background

#F8FAFC

surface

#F0F5F9

border

#CBCFD2

text

#0C1014

muted

#7D7F82

Preview Lab

Preview with #3D91BF

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

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