#3983B1#3983B1
#3983B1 is a mid, moderate cyan. Relative luminance 0.203; OKLCH L 58.4% C 0.102 H 239.2°. Best body text is #000000 at 5.06:1 contrast (WCAG AA passes).
Color values
| HEX | #3983B1 |
|---|---|
| RGB | rgb(57, 131, 177) |
| HSL | hsl(203, 51%, 46%) |
| HSV | hsv(203, 68%, 69%) |
| CMYK | cmyk(67.8%, 26%, 0%, 30.6%) |
| CIE-LAB | lab(52.15, -8.01, -31.00) |
| CIE-LCH | lch(52.15, 32.02, 255.51°) |
| OKLab | oklab(58.37% -0.052 -0.0873) |
| OKLCH | oklch(58.37% 0.102 239.2) |
| XYZ | xyz(17.7364, 20.2749, 44.5652) |
| Luminance | 0.2028 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Steel Blue
#4682B4
ΔE00 2.69
Cool Blue
#4984B8
ΔE00 3.32
Water Blue
#0E87CC
ΔE00 3.83
Nice Blue
#107AB0
ΔE00 4.04
Off Blue
#5684AE
ΔE00 4.21
Cerulean (survey)
#0485D1
ΔE00 4.39
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3983B1 #B16739
analogous
#39B1A3 #3983B1 #3947B1
triadic
#3983B1 #B13983 #83B139
tetradic
#3983B1 #A339B1 #B16739 #47B139
square
#3983B1 #A339B1 #B16739 #47B139
split-complementary
#3983B1 #B13947 #B1A339
monochromatic
#1B3E54 #2A6183 #3983B1 #5DA0CB #8BBBDA
Accessibility & contrast
On white
4.15
#3983B1 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.06
#3983B1 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3983B1
5.06:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3983B1 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3983B1 | 1.00 | 4.15 | 5.06 | 5.06 |
| #FFFFFF | 4.15 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.06 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.06 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6E83B3
Deuteranopia (green-blind)
#5D77B0
Tritanopia (blue-blind)
#008F93
Achromatopsia (no color)
#7C7C7C
Design tokens & code
CSS
--color: #3983b1; /* rgb */ color: rgb(57, 131, 177); /* oklch */ color: oklch(58.4% 0.102 239.2);
Tailwind
colors: {
custom: {
50: '#7da6c8',
500: '#3983b1',
950: '#000000',
},
}SCSS
$custom: #3983b1; $custom-light: #7da6c8; $custom-dark: #000000;
JSON
{
"hex": "#3983b1",
"rgb": {
"r": 57,
"g": 131,
"b": 177
},
"hsl": {
"h": 203,
"s": 51.282,
"l": 45.882
},
"oklch": {
"l": 0.58369,
"c": 0.10158,
"h": 239.2
},
"luminance": 0.20277
}Semantic roles & 50–950 ramp
primary
#3983B1
secondary
#C49B82
accent
#834DDB
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0B0F13
muted
#7C7F82