#3F7FCE#3F7FCE

#3F7FCE is a mid, vivid cyan. Relative luminance 0.207; OKLCH L 59.3% C 0.138 H 255.0°. Best body text is #000000 at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#3F7FCE
RGB	rgb(63, 127, 206)
HSL	hsl(213, 59%, 53%)
HSV	hsv(213, 69%, 81%)
CMYK	cmyk(69.4%, 38.3%, 0%, 19.2%)
CIE-LAB	lab(52.61, 5.47, -46.84)
CIE-LCH	lch(52.61, 47.15, 276.66°)
OKLab	oklab(59.26% -0.0356 -0.1334)
OKLCH	oklch(59.26% 0.138 255)
XYZ	xyz(20.7758, 20.6895, 61.2791)
Luminance	0.2069 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7FCE #CE8E3F

analogous

#3FC6CE #3F7FCE #473FCE

triadic

#3F7FCE #CE3F7F #7FCE3F

tetradic

#3F7FCE #CE3FC6 #CE8E3F #3FCE47

square

#3F7FCE #CE3FC6 #CE8E3F #3FCE47

split-complementary

#3F7FCE #CE473F #C6CE3F

monochromatic

#1E4575 #2A61A6 #3F7FCE #70A0DA #A1C0E7

Accessibility & contrast

On white

4.09

#3F7FCE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.14

#3F7FCE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F7FCE

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7FCE	#FFFFFF	#000000	##000000
##3F7FCE	1.00	4.09	5.14	5.14
#FFFFFF	4.09	1.00	21.00	21.00
#000000	5.14	21.00	1.00	1.00
##000000	5.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B85D1

Deuteranopia (green-blind)

#4577CC

Tritanopia (blue-blind)

#00919C

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #3f7fce;
/* rgb */ color: rgb(63, 127, 206);
/* oklch */ color: oklch(59.3% 0.138 255.0);

Tailwind

colors: {
  custom: {
    50: '#84a3dd',
    500: '#3f7fce',
    950: '#000000',
  },
}

SCSS

$custom: #3f7fce;
$custom-light: #84a3dd;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7fce",
  "rgb": {
    "r": 63,
    "g": 127,
    "b": 206
  },
  "hsl": {
    "h": 213.147,
    "s": 59.336,
    "l": 52.745
  },
  "oklch": {
    "l": 0.59257,
    "c": 0.13805,
    "h": 255
  },
  "luminance": 0.20692
}

Semantic roles & 50–950 ramp

primary

#3F7FCE

secondary

#D3B895

accent

#9C45E3

background

#F8FAFD

surface

#F0F3FB

border

#CBCDD4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3F7FCE

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

Preview Lab → · Contrast checker → · Palette generator →