#3F8EBB#3F8EBB

#3F8EBB is a mid, moderate cyan. Relative luminance 0.240; OKLCH L 61.7% C 0.103 H 236.8°. Best body text is #000000 at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#3F8EBB
RGB	rgb(63, 142, 187)
HSL	hsl(202, 50%, 49%)
HSV	hsv(202, 66%, 73%)
CMYK	cmyk(66.3%, 24.1%, 0%, 26.7%)
CIE-LAB	lab(56.08, -9.90, -30.59)
CIE-LCH	lch(56.08, 32.15, 252.06°)
OKLab	oklab(61.69% -0.0563 -0.0859)
OKLCH	oklch(61.69% 0.103 236.8)
XYZ	xyz(20.6891, 23.9884, 50.5440)
Luminance	0.2399 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8EBB #BB6C3F

analogous

#3FBBAA #3F8EBB #3F50BB

triadic

#3F8EBB #BB3F8E #8EBB3F

tetradic

#3F8EBB #AA3FBB #BB6C3F #50BB3F

square

#3F8EBB #AA3FBB #BB6C3F #50BB3F

split-complementary

#3F8EBB #BB3F50 #BBAA3F

monochromatic

#20485F #306B8D #3F8EBB #6AA9CD #98C4DC

Accessibility & contrast

On white

3.62

#3F8EBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.80

#3F8EBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8EBB

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8EBB	#FFFFFF	#000000	##000000
##3F8EBB	1.00	3.62	5.80	5.80
#FFFFFF	3.62	1.00	21.00	21.00
#000000	5.80	21.00	1.00	1.00
##000000	5.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#798DBD

Deuteranopia (green-blind)

#6881BA

Tritanopia (blue-blind)

#009A9D

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #3f8ebb;
/* rgb */ color: rgb(63, 142, 187);
/* oklch */ color: oklch(61.7% 0.103 236.8);

Tailwind

colors: {
  custom: {
    50: '#81afcf',
    500: '#3f8ebb',
    950: '#000000',
  },
}

SCSS

$custom: #3f8ebb;
$custom-light: #81afcf;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8ebb",
  "rgb": {
    "r": 63,
    "g": 142,
    "b": 187
  },
  "hsl": {
    "h": 201.774,
    "s": 49.6,
    "l": 49.02
  },
  "oklch": {
    "l": 0.61687,
    "c": 0.10271,
    "h": 236.8
  },
  "luminance": 0.23991
}

Semantic roles & 50–950 ramp

primary

#3F8EBB

secondary

#C8A38E

accent

#814FD9

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #3F8EBB

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

Preview Lab → · Contrast checker → · Palette generator →