#3D91DB#3D91DB

#3D91DB is a light, vivid cyan. Relative luminance 0.264; OKLCH L 64.0% C 0.137 H 248.4°. Best body text is #000000 at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#3D91DB
RGB	rgb(61, 145, 219)
HSL	hsl(208, 69%, 55%)
HSV	hsv(208, 72%, 86%)
CMYK	cmyk(72.1%, 33.8%, 0%, 14.1%)
CIE-LAB	lab(58.37, -0.93, -45.03)
CIE-LCH	lch(58.37, 45.04, 268.81°)
OKLab	oklab(63.97% -0.0506 -0.1278)
OKLCH	oklch(63.97% 0.137 248.4)
XYZ	xyz(24.8312, 26.3546, 70.7824)
Luminance	0.2636 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D91DB #DB873D

analogous

#3DDBD6 #3D91DB #3D42DB

triadic

#3D91DB #DB3D91 #91DB3D

tetradic

#3D91DB #D63DDB #DB873D #42DB3D

square

#3D91DB #D63DDB #DB873D #42DB3D

split-complementary

#3D91DB #DB3D42 #DBD63D

monochromatic

#195285 #2272B9 #3D91DB #71AEE5 #A4CCEE

Accessibility & contrast

On white

3.35

#3D91DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.27

#3D91DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3D91DB

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D91DB	#FFFFFF	#000000	##000000
##3D91DB	1.00	3.35	6.27	6.27
#FFFFFF	3.35	1.00	21.00	21.00
#000000	6.27	21.00	1.00	1.00
##000000	6.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F94DE

Deuteranopia (green-blind)

#5986DA

Tritanopia (blue-blind)

#00A3AC

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #3d91db;
/* rgb */ color: rgb(61, 145, 219);
/* oklch */ color: oklch(64.0% 0.137 248.4);

Tailwind

colors: {
  custom: {
    50: '#86b0e6',
    500: '#3d91db',
    950: '#000000',
  },
}

SCSS

$custom: #3d91db;
$custom-light: #86b0e6;
$custom-dark: #000000;

JSON

{
  "hex": "#3d91db",
  "rgb": {
    "r": 61,
    "g": 145,
    "b": 219
  },
  "hsl": {
    "h": 208.101,
    "s": 68.696,
    "l": 54.902
  },
  "oklch": {
    "l": 0.6397,
    "c": 0.13749,
    "h": 248.4
  },
  "luminance": 0.26357
}

Semantic roles & 50–950 ramp

primary

#3D91DB

secondary

#DBB899

accent

#8E3CEC

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0D1016

muted

#7D7F84

Preview Lab

Preview with #3D91DB

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

Preview Lab → · Contrast checker → · Palette generator →