#3D9DCB#3D9DCB

#3D9DCB is a light, moderate cyan. Relative luminance 0.294; OKLCH L 65.9% C 0.112 H 233.0°. Best body text is #000000 at 6.88:1 contrast (WCAG AA passes).

Color values

HEX	#3D9DCB
RGB	rgb(61, 157, 203)
HSL	hsl(199, 58%, 52%)
HSV	hsv(199, 70%, 80%)
CMYK	cmyk(70%, 22.7%, 0%, 20.4%)
CIE-LAB	lab(61.15, -13.21, -31.74)
CIE-LCH	lch(61.15, 34.38, 247.40°)
OKLab	oklab(65.93% -0.0672 -0.0892)
OKLCH	oklch(65.93% 0.112 233)
XYZ	xyz(24.7567, 29.4151, 60.8613)
Luminance	0.2942 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D9DCB #CB6B3D

analogous

#3DCBB2 #3D9DCB #3D56CB

triadic

#3D9DCB #CB3D9D #9DCB3D

tetradic

#3D9DCB #B23DCB #CB6B3D #56CB3D

square

#3D9DCB #B23DCB #CB6B3D #56CB3D

split-complementary

#3D9DCB #CB3D56 #CBB23D

monochromatic

#1E5570 #2B7AA0 #3D9DCB #6DB5D8 #9ECEE5

Accessibility & contrast

On white

3.05

#3D9DCB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.88

#3D9DCB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3D9DCB

6.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D9DCB	#FFFFFF	#000000	##000000
##3D9DCB	1.00	3.05	6.88	6.88
#FFFFFF	3.05	1.00	21.00	21.00
#000000	6.88	21.00	1.00	1.00
##000000	6.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#869BCD

Deuteranopia (green-blind)

#738DCA

Tritanopia (blue-blind)

#00A9AC

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #3d9dcb;
/* rgb */ color: rgb(61, 157, 203);
/* oklch */ color: oklch(65.9% 0.112 233.0);

Tailwind

colors: {
  custom: {
    50: '#83b9db',
    500: '#3d9dcb',
    950: '#000000',
  },
}

SCSS

$custom: #3d9dcb;
$custom-light: #83b9db;
$custom-dark: #000000;

JSON

{
  "hex": "#3d9dcb",
  "rgb": {
    "r": 61,
    "g": 157,
    "b": 203
  },
  "hsl": {
    "h": 199.437,
    "s": 57.724,
    "l": 51.765
  },
  "oklch": {
    "l": 0.65927,
    "c": 0.11164,
    "h": 233
  },
  "luminance": 0.29418
}

Semantic roles & 50–950 ramp

primary

#3D9DCB

secondary

#D1A793

accent

#7947E1

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #3D9DCB

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

Preview Lab → · Contrast checker → · Palette generator →