#3F8EAF#3F8EAF

#3F8EAF is a mid, moderate cyan. Relative luminance 0.235; OKLCH L 61.1% C 0.091 H 228.5°. Best body text is #000000 at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#3F8EAF
RGB	rgb(63, 142, 175)
HSL	hsl(198, 47%, 47%)
HSV	hsv(198, 64%, 69%)
CMYK	cmyk(64%, 18.9%, 0%, 31.4%)
CIE-LAB	lab(55.58, -13.85, -24.52)
CIE-LCH	lch(55.58, 28.16, 240.54°)
OKLab	oklab(61.13% -0.0606 -0.0685)
OKLCH	oklch(61.13% 0.091 228.5)
XYZ	xyz(19.4577, 23.4959, 44.0589)
Luminance	0.2350 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8EAF #AF603F

analogous

#3FAF98 #3F8EAF #3F56AF

triadic

#3F8EAF #AF3F8E #8EAF3F

tetradic

#3F8EAF #983FAF #AF603F #56AF3F

square

#3F8EAF #983FAF #AF603F #56AF3F

split-complementary

#3F8EAF #AF3F56 #AF983F

monochromatic

#1F4555 #2F6982 #3F8EAF #64AAC7 #91C3D7

Accessibility & contrast

On white

3.68

#3F8EAF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.70

#3F8EAF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8EAF

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8EAF	#FFFFFF	#000000	##000000
##3F8EAF	1.00	3.68	5.70	5.70
#FFFFFF	3.68	1.00	21.00	21.00
#000000	5.70	21.00	1.00	1.00
##000000	5.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D8CB1

Deuteranopia (green-blind)

#6D80AF

Tritanopia (blue-blind)

#009799

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #3f8eaf;
/* rgb */ color: rgb(63, 142, 175);
/* oklch */ color: oklch(61.1% 0.091 228.5);

Tailwind

colors: {
  custom: {
    50: '#80afc7',
    500: '#3f8eaf',
    950: '#000000',
  },
}

SCSS

$custom: #3f8eaf;
$custom-light: #80afc7;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8eaf",
  "rgb": {
    "r": 63,
    "g": 142,
    "b": 175
  },
  "hsl": {
    "h": 197.679,
    "s": 47.059,
    "l": 46.667
  },
  "oklch": {
    "l": 0.61128,
    "c": 0.09146,
    "h": 228.5
  },
  "luminance": 0.23498
}

Semantic roles & 50–950 ramp

primary

#3F8EAF

secondary

#C39987

accent

#7851D7

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3F8EAF

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

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