#3F7FA5#3F7FA5

#3F7FA5 is a mid, moderate cyan. Relative luminance 0.190; OKLCH L 57.1% C 0.088 H 237.1°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#3F7FA5
RGB	rgb(63, 127, 165)
HSL	hsl(202, 45%, 45%)
HSV	hsv(202, 62%, 65%)
CMYK	cmyk(61.8%, 23%, 0%, 35.3%)
CIE-LAB	lab(50.63, -8.68, -26.40)
CIE-LCH	lch(50.63, 27.79, 251.81°)
OKLab	oklab(57.05% -0.0478 -0.074)
OKLCH	oklch(57.05% 0.088 237.1)
XYZ	xyz(16.4282, 18.9505, 38.3821)
Luminance	0.1895 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7FA5 #A5653F

analogous

#3FA598 #3F7FA5 #3F4CA5

triadic

#3F7FA5 #A53F7F #7FA53F

tetradic

#3F7FA5 #983FA5 #A5653F #4CA53F

square

#3F7FA5 #983FA5 #A5653F #4CA53F

split-complementary

#3F7FA5 #A53F4C #A5983F

monochromatic

#1D3B4C #2E5D79 #3F7FA5 #5F9DC2 #8CB8D3

Accessibility & contrast

On white

4.38

#3F7FA5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.79

#3F7FA5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F7FA5

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7FA5	#FFFFFF	#000000	##000000
##3F7FA5	1.00	4.38	4.79	4.79
#FFFFFF	4.38	1.00	21.00	21.00
#000000	4.79	21.00	1.00	1.00
##000000	4.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7EA7

Deuteranopia (green-blind)

#5F74A4

Tritanopia (blue-blind)

#00898C

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #3f7fa5;
/* rgb */ color: rgb(63, 127, 165);
/* oklch */ color: oklch(57.1% 0.088 237.1);

Tailwind

colors: {
  custom: {
    50: '#7ea4bf',
    500: '#3f7fa5',
    950: '#000000',
  },
}

SCSS

$custom: #3f7fa5;
$custom-light: #7ea4bf;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7fa5",
  "rgb": {
    "r": 63,
    "g": 127,
    "b": 165
  },
  "hsl": {
    "h": 202.353,
    "s": 44.737,
    "l": 44.706
  },
  "oklch": {
    "l": 0.57053,
    "c": 0.08805,
    "h": 237.1
  },
  "luminance": 0.18952
}

Semantic roles & 50–950 ramp

primary

#3F7FA5

secondary

#BE9882

accent

#8353D4

background

#F8FAFB

surface

#EFF4F7

border

#CACED0

text

#0B0F12

muted

#7C7F81

Preview Lab

Preview with #3F7FA5

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

Preview Lab → · Contrast checker → · Palette generator →