#3D99CB#3D99CB

#3D99CB is a light, moderate cyan. Relative luminance 0.281; OKLCH L 65.0% C 0.114 H 236.2°. Best body text is #000000 at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#3D99CB
RGB	rgb(61, 153, 203)
HSL	hsl(201, 58%, 52%)
HSV	hsv(201, 70%, 80%)
CMYK	cmyk(70%, 24.6%, 0%, 20.4%)
CIE-LAB	lab(59.96, -11.00, -33.58)
CIE-LCH	lch(59.96, 35.33, 251.85°)
OKLab	oklab(64.99% -0.0632 -0.0945)
OKLCH	oklch(64.99% 0.114 236.2)
XYZ	xyz(24.0910, 28.0837, 60.6394)
Luminance	0.2809 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D99CB #CB6F3D

analogous

#3DCBB6 #3D99CB #3D52CB

triadic

#3D99CB #CB3D99 #99CB3D

tetradic

#3D99CB #B63DCB #CB6F3D #52CB3D

square

#3D99CB #B63DCB #CB6F3D #52CB3D

split-complementary

#3D99CB #CB3D52 #CBB63D

monochromatic

#1E5370 #2B77A0 #3D99CB #6DB2D8 #9ECCE5

Accessibility & contrast

On white

3.17

#3D99CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.62

#3D99CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3D99CB

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D99CB	#FFFFFF	#000000	##000000
##3D99CB	1.00	3.17	6.62	6.62
#FFFFFF	3.17	1.00	21.00	21.00
#000000	6.62	21.00	1.00	1.00
##000000	6.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8198CD

Deuteranopia (green-blind)

#6E8ACA

Tritanopia (blue-blind)

#00A6AA

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #3d99cb;
/* rgb */ color: rgb(61, 153, 203);
/* oklch */ color: oklch(65.0% 0.114 236.2);

Tailwind

colors: {
  custom: {
    50: '#83b7db',
    500: '#3d99cb',
    950: '#000000',
  },
}

SCSS

$custom: #3d99cb;
$custom-light: #83b7db;
$custom-dark: #000000;

JSON

{
  "hex": "#3d99cb",
  "rgb": {
    "r": 61,
    "g": 153,
    "b": 203
  },
  "hsl": {
    "h": 201.127,
    "s": 57.724,
    "l": 51.765
  },
  "oklch": {
    "l": 0.64986,
    "c": 0.11368,
    "h": 236.2
  },
  "luminance": 0.28086
}

Semantic roles & 50–950 ramp

primary

#3D99CB

secondary

#D1A993

accent

#7D47E1

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #3D99CB

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

Preview Lab → · Contrast checker → · Palette generator →