#3983E0#3983E0

#3983E0 is a mid, vivid cyan. Relative luminance 0.225; OKLCH L 61.0% C 0.159 H 255.7°. Best body text is #000000 at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#3983E0
RGB	rgb(57, 131, 224)
HSL	hsl(213, 73%, 55%)
HSV	hsv(213, 75%, 88%)
CMYK	cmyk(74.6%, 41.5%, 0%, 12.2%)
CIE-LAB	lab(54.53, 8.69, -53.93)
CIE-LCH	lch(54.53, 54.62, 279.15°)
OKLab	oklab(61.02% -0.0392 -0.1542)
OKLCH	oklch(61.02% 0.159 255.7)
XYZ	xyz(23.2532, 22.4816, 73.6204)
Luminance	0.2248 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3983E0 #E09639

analogous

#39D7E0 #3983E0 #4239E0

triadic

#3983E0 #E03983 #83E039

tetradic

#3983E0 #E039D7 #E09639 #39E042

square

#3983E0 #E039D7 #E09639 #39E042

split-complementary

#3983E0 #E04239 #D7E039

monochromatic

#154989 #1E65BE #3983E0 #6EA4E8 #A3C5F1

Accessibility & contrast

On white

3.82

#3983E0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.50

#3983E0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3983E0

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3983E0	#FFFFFF	#000000	##000000
##3983E0	1.00	3.82	5.50	5.50
#FFFFFF	3.82	1.00	21.00	21.00
#000000	5.50	21.00	1.00	1.00
##000000	5.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#568BE4

Deuteranopia (green-blind)

#397BDE

Tritanopia (blue-blind)

#0099A6

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #3983e0;
/* rgb */ color: rgb(57, 131, 224);
/* oklch */ color: oklch(61.0% 0.159 255.7);

Tailwind

colors: {
  custom: {
    50: '#85a6ea',
    500: '#3983e0',
    950: '#000000',
  },
}

SCSS

$custom: #3983e0;
$custom-light: #85a6ea;
$custom-dark: #000000;

JSON

{
  "hex": "#3983e0",
  "rgb": {
    "r": 57,
    "g": 131,
    "b": 224
  },
  "hsl": {
    "h": 213.413,
    "s": 72.926,
    "l": 55.098
  },
  "oklch": {
    "l": 0.61023,
    "c": 0.15911,
    "h": 255.7
  },
  "luminance": 0.22484
}

Semantic roles & 50–950 ramp

primary

#3983E0

secondary

#DDBE97

accent

#9E38F0

background

#F8FAFE

surface

#F0F4FD

border

#CBCED5

text

#0D0F16

muted

#7D7F84

Preview Lab

Preview with #3983E0

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

Preview Lab → · Contrast checker → · Palette generator →