#3F8BC0#3F8BC0

#3F8BC0 is a mid, moderate cyan. Relative luminance 0.233; OKLCH L 61.2% C 0.110 H 242.1°. Best body text is #000000 at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#3F8BC0
RGB	rgb(63, 139, 192)
HSL	hsl(205, 51%, 50%)
HSV	hsv(205, 67%, 75%)
CMYK	cmyk(67.2%, 27.6%, 0%, 24.7%)
CIE-LAB	lab(55.41, -6.51, -34.47)
CIE-LCH	lch(55.41, 35.08, 259.31°)
OKLab	oklab(61.23% -0.0515 -0.0972)
OKLCH	oklch(61.23% 0.11 242.1)
XYZ	xyz(20.7933, 23.3256, 53.2654)
Luminance	0.2333 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8BC0 #C0743F

analogous

#3FC0B4 #3F8BC0 #3F4BC0

triadic

#3F8BC0 #C03F8B #8BC03F

tetradic

#3F8BC0 #B43FC0 #C0743F #4BC03F

square

#3F8BC0 #B43FC0 #C0743F #4BC03F

split-complementary

#3F8BC0 #C03F4B #C0B43F

monochromatic

#214864 #306A92 #3F8BC0 #6DA7CF #9BC3DE

Accessibility & contrast

On white

3.71

#3F8BC0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.67

#3F8BC0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8BC0

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8BC0	#FFFFFF	#000000	##000000
##3F8BC0	1.00	3.71	5.67	5.67
#FFFFFF	3.71	1.00	21.00	21.00
#000000	5.67	21.00	1.00	1.00
##000000	5.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#738CC2

Deuteranopia (green-blind)

#617FBF

Tritanopia (blue-blind)

#00989D

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #3f8bc0;
/* rgb */ color: rgb(63, 139, 192);
/* oklch */ color: oklch(61.2% 0.110 242.1);

Tailwind

colors: {
  custom: {
    50: '#82acd3',
    500: '#3f8bc0',
    950: '#000000',
  },
}

SCSS

$custom: #3f8bc0;
$custom-light: #82acd3;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8bc0",
  "rgb": {
    "r": 63,
    "g": 139,
    "b": 192
  },
  "hsl": {
    "h": 204.651,
    "s": 50.588,
    "l": 50
  },
  "oklch": {
    "l": 0.61229,
    "c": 0.10999,
    "h": 242.1
  },
  "luminance": 0.23328
}

Semantic roles & 50–950 ramp

primary

#3F8BC0

secondary

#CAA891

accent

#874EDA

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C1014

muted

#7D7F82

Preview Lab

Preview with #3F8BC0

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

Preview Lab → · Contrast checker → · Palette generator →