#3D99CC#3D99CC

#3D99CC is a light, moderate cyan. Relative luminance 0.281; OKLCH L 65.0% C 0.115 H 236.8°. Best body text is #000000 at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#3D99CC
RGB	rgb(61, 153, 204)
HSL	hsl(201, 58%, 52%)
HSV	hsv(201, 70%, 80%)
CMYK	cmyk(70.1%, 25%, 0%, 20%)
CIE-LAB	lab(60.01, -10.67, -34.07)
CIE-LCH	lch(60.01, 35.70, 252.61°)
OKLab	oklab(65.03% -0.0629 -0.0959)
OKLCH	oklch(65.03% 0.115 236.8)
XYZ	xyz(24.2105, 28.1315, 61.2690)
Luminance	0.2813 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D99CC #CC703D

analogous

#3DCCB8 #3D99CC #3D52CC

triadic

#3D99CC #CC3D99 #99CC3D

tetradic

#3D99CC #B83DCC #CC703D #52CC3D

square

#3D99CC #B83DCC #CC703D #52CC3D

split-complementary

#3D99CC #CC3D52 #CCB83D

monochromatic

#1E5371 #2A77A1 #3D99CC #6DB2D9 #9ECCE5

Accessibility & contrast

On white

3.17

#3D99CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.63

#3D99CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3D99CC

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D99CC	#FFFFFF	#000000	##000000
##3D99CC	1.00	3.17	6.63	6.63
#FFFFFF	3.17	1.00	21.00	21.00
#000000	6.63	21.00	1.00	1.00
##000000	6.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8198CE

Deuteranopia (green-blind)

#6D8ACB

Tritanopia (blue-blind)

#00A6AA

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #3d99cc;
/* rgb */ color: rgb(61, 153, 204);
/* oklch */ color: oklch(65.0% 0.115 236.8);

Tailwind

colors: {
  custom: {
    50: '#83b7db',
    500: '#3d99cc',
    950: '#000000',
  },
}

SCSS

$custom: #3d99cc;
$custom-light: #83b7db;
$custom-dark: #000000;

JSON

{
  "hex": "#3d99cc",
  "rgb": {
    "r": 61,
    "g": 153,
    "b": 204
  },
  "hsl": {
    "h": 201.399,
    "s": 58.367,
    "l": 51.961
  },
  "oklch": {
    "l": 0.65034,
    "c": 0.11468,
    "h": 236.8
  },
  "luminance": 0.28134
}

Semantic roles & 50–950 ramp

primary

#3D99CC

secondary

#D2A993

accent

#7E46E2

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #3D99CC

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

Preview Lab → · Contrast checker → · Palette generator →