#3F7B97#3F7B97
#3F7B97 is a mid, moderate cyan. Relative luminance 0.175; OKLCH L 55.4% C 0.076 H 230.4°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).
Color values
| HEX | #3F7B97 |
|---|---|
| RGB | rgb(63, 123, 151) |
| HSL | hsl(199, 41%, 42%) |
| HSV | hsv(199, 58%, 59%) |
| CMYK | cmyk(58.3%, 18.5%, 0%, 40.8%) |
| CIE-LAB | lab(48.83, -10.95, -21.01) |
| CIE-LCH | lch(48.83, 23.69, 242.48°) |
| OKLab | oklab(55.43% -0.0484 -0.0586) |
| OKLCH | oklch(55.43% 0.076 230.4) |
| XYZ | xyz(14.7166, 17.4557, 31.8659) |
| Luminance | 0.1746 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dirty Blue
#3F829D
ΔE00 2.79
Cerulean
#007BA7
ΔE00 4.45
Stormy Blue
#507B9C
ΔE00 4.59
Sea Blue
#047495
ΔE00 4.63
Metallic Blue
#4F738E
ΔE00 5.09
Steel Blue (survey)
#5A7D9A
ΔE00 5.67
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3F7B97 #975B3F
analogous
#3F9787 #3F7B97 #3F4F97
triadic
#3F7B97 #973F7B #7B973F
tetradic
#3F7B97 #873F97 #975B3F #4F973F
square
#3F7B97 #873F97 #975B3F #4F973F
split-complementary
#3F7B97 #973F4F #97873F
monochromatic
#1B3541 #2D586C #3F7B97 #599BBA #85B5CC
Accessibility & contrast
On white
4.68
#3F7B97 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.49
#3F7B97 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3F7B97
4.68:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3F7B97 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3F7B97 | 1.00 | 4.68 | 4.49 | 4.68 |
| #FFFFFF | 4.68 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.49 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.68 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6D7998
Deuteranopia (green-blind)
#607097
Tritanopia (blue-blind)
#008384
Achromatopsia (no color)
#747474
Design tokens & code
CSS
--color: #3f7b97; /* rgb */ color: rgb(63, 123, 151); /* oklch */ color: oklch(55.4% 0.076 230.4);
Tailwind
colors: {
custom: {
50: '#7ca1b5',
500: '#3f7b97',
950: '#000000',
},
}SCSS
$custom: #3f7b97; $custom-light: #7ca1b5; $custom-dark: #000000;
JSON
{
"hex": "#3f7b97",
"rgb": {
"r": 63,
"g": 123,
"b": 151
},
"hsl": {
"h": 199.091,
"s": 41.121,
"l": 41.961
},
"oklch": {
"l": 0.5543,
"c": 0.07595,
"h": 230.4
},
"luminance": 0.17457
}Semantic roles & 50–950 ramp
primary
#3F7B97
secondary
#B68E7C
accent
#7E57D1
background
#F7F9FB
surface
#EEF2F6
border
#C9CCD0
text
#0A0E11
muted
#7C7E80