#3983B0#3983B0
#3983B0 is a mid, moderate cyan. Relative luminance 0.202; OKLCH L 58.3% C 0.101 H 238.6°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).
Color values
| HEX | #3983B0 |
|---|---|
| RGB | rgb(57, 131, 176) |
| HSL | hsl(203, 51%, 46%) |
| HSV | hsv(203, 68%, 69%) |
| CMYK | cmyk(67.6%, 25.6%, 0%, 31%) |
| CIE-LAB | lab(52.10, -8.35, -30.49) |
| CIE-LCH | lch(52.10, 31.62, 254.68°) |
| OKLab | oklab(58.32% -0.0523 -0.0858) |
| OKLCH | oklch(58.32% 0.101 238.6) |
| XYZ | xyz(17.6371, 20.2352, 44.0422) |
| Luminance | 0.2024 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Steel Blue
#4682B4
ΔE00 2.91
Cool Blue
#4984B8
ΔE00 3.54
Water Blue
#0E87CC
ΔE00 4.05
Nice Blue
#107AB0
ΔE00 4.06
Off Blue
#5684AE
ΔE00 4.33
Cerulean (survey)
#0485D1
ΔE00 4.64
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3983B0 #B06639
analogous
#39B0A1 #3983B0 #3947B0
triadic
#3983B0 #B03983 #83B039
tetradic
#3983B0 #A139B0 #B06639 #47B039
square
#3983B0 #A139B0 #B06639 #47B039
split-complementary
#3983B0 #B03947 #B0A139
monochromatic
#1B3E54 #2A6182 #3983B0 #5CA1CA #8ABBD9
Accessibility & contrast
On white
4.16
#3983B0 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.05
#3983B0 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3983B0
5.05:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3983B0 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3983B0 | 1.00 | 4.16 | 5.05 | 5.05 |
| #FFFFFF | 4.16 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.05 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.05 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6E83B2
Deuteranopia (green-blind)
#5E77AF
Tritanopia (blue-blind)
#008E92
Achromatopsia (no color)
#7C7C7C
Design tokens & code
CSS
--color: #3983b0; /* rgb */ color: rgb(57, 131, 176); /* oklch */ color: oklch(58.3% 0.101 238.6);
Tailwind
colors: {
custom: {
50: '#7da7c7',
500: '#3983b0',
950: '#000000',
},
}SCSS
$custom: #3983b0; $custom-light: #7da7c7; $custom-dark: #000000;
JSON
{
"hex": "#3983b0",
"rgb": {
"r": 57,
"g": 131,
"b": 176
},
"hsl": {
"h": 202.689,
"s": 51.073,
"l": 45.686
},
"oklch": {
"l": 0.58319,
"c": 0.1005,
"h": 238.6
},
"luminance": 0.20237
}Semantic roles & 50–950 ramp
primary
#3983B0
secondary
#C49A81
accent
#834DDB
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0B0F13
muted
#7C7F82