#3D91CB#3D91CB

#3D91CB is a light, moderate cyan. Relative luminance 0.256; OKLCH L 63.1% C 0.119 H 242.3°. Best body text is #000000 at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#3D91CB
RGB	rgb(61, 145, 203)
HSL	hsl(205, 58%, 52%)
HSV	hsv(205, 70%, 80%)
CMYK	cmyk(70%, 28.6%, 0%, 20.4%)
CIE-LAB	lab(57.61, -6.50, -37.25)
CIE-LCH	lch(57.61, 37.82, 260.11°)
OKLab	oklab(63.12% -0.0553 -0.1052)
OKLCH	oklch(63.12% 0.119 242.3)
XYZ	xyz(22.8252, 25.5522, 60.2175)
Luminance	0.2555 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D91CB #CB773D

analogous

#3DCBBE #3D91CB #3D4ACB

triadic

#3D91CB #CB3D91 #91CB3D

tetradic

#3D91CB #BE3DCB #CB773D #4ACB3D

square

#3D91CB #BE3DCB #CB773D #4ACB3D

split-complementary

#3D91CB #CB3D4A #CBBE3D

monochromatic

#1E4E70 #2B70A0 #3D91CB #6DACD8 #9EC8E5

Accessibility & contrast

On white

3.44

#3D91CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.11

#3D91CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3D91CB

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D91CB	#FFFFFF	#000000	##000000
##3D91CB	1.00	3.44	6.11	6.11
#FFFFFF	3.44	1.00	21.00	21.00
#000000	6.11	21.00	1.00	1.00
##000000	6.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7692CE

Deuteranopia (green-blind)

#6384CA

Tritanopia (blue-blind)

#009FA5

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #3d91cb;
/* rgb */ color: rgb(61, 145, 203);
/* oklch */ color: oklch(63.1% 0.119 242.3);

Tailwind

colors: {
  custom: {
    50: '#83b1db',
    500: '#3d91cb',
    950: '#000000',
  },
}

SCSS

$custom: #3d91cb;
$custom-light: #83b1db;
$custom-dark: #000000;

JSON

{
  "hex": "#3d91cb",
  "rgb": {
    "r": 61,
    "g": 145,
    "b": 203
  },
  "hsl": {
    "h": 204.507,
    "s": 57.724,
    "l": 51.765
  },
  "oklch": {
    "l": 0.63119,
    "c": 0.11885,
    "h": 242.3
  },
  "luminance": 0.25555
}

Semantic roles & 50–950 ramp

primary

#3D91CB

secondary

#D1AC93

accent

#8647E1

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #3D91CB

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

Preview Lab → · Contrast checker → · Palette generator →