#3F7EC9#3F7EC9

#3F7EC9 is a mid, vivid cyan. Relative luminance 0.202; OKLCH L 58.7% C 0.133 H 254.3°. Best body text is #000000 at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#3F7EC9
RGB	rgb(63, 126, 201)
HSL	hsl(213, 56%, 52%)
HSV	hsv(213, 69%, 79%)
CMYK	cmyk(68.7%, 37.3%, 0%, 21.2%)
CIE-LAB	lab(52.06, 4.30, -44.87)
CIE-LCH	lch(52.06, 45.08, 275.47°)
OKLab	oklab(58.74% -0.0359 -0.1276)
OKLCH	oklch(58.74% 0.133 254.3)
XYZ	xyz(20.0495, 20.1934, 58.0881)
Luminance	0.2020 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7EC9 #C98A3F

analogous

#3FC3C9 #3F7EC9 #453FC9

triadic

#3F7EC9 #C93F7E #7EC93F

tetradic

#3F7EC9 #C93FC3 #C98A3F #3FC945

square

#3F7EC9 #C93FC3 #C98A3F #3FC945

split-complementary

#3F7EC9 #C9453F #C3C93F

monochromatic

#1F436F #2D609E #3F7EC9 #6F9ED6 #9FBEE4

Accessibility & contrast

On white

4.17

#3F7EC9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.04

#3F7EC9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F7EC9

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7EC9	#FFFFFF	#000000	##000000
##3F7EC9	1.00	4.17	5.04	5.04
#FFFFFF	4.17	1.00	21.00	21.00
#000000	5.04	21.00	1.00	1.00
##000000	5.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C83CC

Deuteranopia (green-blind)

#4876C7

Tritanopia (blue-blind)

#008F9A

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #3f7ec9;
/* rgb */ color: rgb(63, 126, 201);
/* oklch */ color: oklch(58.7% 0.133 254.3);

Tailwind

colors: {
  custom: {
    50: '#83a3da',
    500: '#3f7ec9',
    950: '#000000',
  },
}

SCSS

$custom: #3f7ec9;
$custom-light: #83a3da;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7ec9",
  "rgb": {
    "r": 63,
    "g": 126,
    "b": 201
  },
  "hsl": {
    "h": 212.609,
    "s": 56.098,
    "l": 51.765
  },
  "oklch": {
    "l": 0.58739,
    "c": 0.13258,
    "h": 254.3
  },
  "luminance": 0.20196
}

Semantic roles & 50–950 ramp

primary

#3F7EC9

secondary

#D0B594

accent

#9A48DF

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0F15

muted

#7D7E83

Preview Lab

Preview with #3F7EC9

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

Preview Lab → · Contrast checker → · Palette generator →