#2381BD#2381BD
#2381BD is a mid, vivid cyan. Relative luminance 0.197; OKLCH L 57.9% C 0.125 H 242.4°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).
Color values
| HEX | #2381BD |
|---|---|
| RGB | rgb(35, 129, 189) |
| HSL | hsl(203, 69%, 44%) |
| HSV | hsv(203, 81%, 74%) |
| CMYK | cmyk(81.5%, 31.7%, 0%, 25.9%) |
| CIE-LAB | lab(51.53, -5.42, -38.90) |
| CIE-LCH | lch(51.53, 39.27, 262.07°) |
| OKLab | oklab(57.9% -0.0577 -0.1104) |
| OKLCH | oklch(57.9% 0.125 242.4) |
| XYZ | xyz(17.7251, 19.7298, 51.0083) |
| Luminance | 0.1973 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Water Blue
#0E87CC
ΔE00 2.54
Cerulean (survey)
#0485D1
ΔE00 2.60
Steel Blue
#4682B4
ΔE00 2.97
Nice Blue
#107AB0
ΔE00 3.32
Cool Blue
#4984B8
ΔE00 3.51
Bluish
#2976BB
ΔE00 4.81
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2381BD #BD5F23
analogous
#23BDAC #2381BD #2334BD
triadic
#2381BD #BD2381 #81BD23
tetradic
#2381BD #AC23BD #BD5F23 #34BD23
square
#2381BD #AC23BD #BD5F23 #34BD23
split-complementary
#2381BD #BD2334 #BDAC23
monochromatic
#103B56 #195E89 #2381BD #41A0DC #75BAE5
Accessibility & contrast
On white
4.25
#2381BD on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.95
#2381BD on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #2381BD
4.95:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2381BD | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##2381BD | 1.00 | 4.25 | 4.95 | 4.95 |
| #FFFFFF | 4.25 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.95 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.95 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6582C0
Deuteranopia (green-blind)
#4F75BC
Tritanopia (blue-blind)
#009096
Achromatopsia (no color)
#7B7B7B
Design tokens & code
CSS
--color: #2381bd; /* rgb */ color: rgb(35, 129, 189); /* oklch */ color: oklch(57.9% 0.125 242.4);
Tailwind
colors: {
custom: {
50: '#77a5d1',
500: '#2381bd',
950: '#000000',
},
}SCSS
$custom: #2381bd; $custom-light: #77a5d1; $custom-dark: #000000;
JSON
{
"hex": "#2381bd",
"rgb": {
"r": 35,
"g": 129,
"b": 189
},
"hsl": {
"h": 203.377,
"s": 68.75,
"l": 43.922
},
"oklch": {
"l": 0.57902,
"c": 0.12458,
"h": 242.4
},
"luminance": 0.19732
}Semantic roles & 50–950 ramp
primary
#2381BD
secondary
#CD946F
accent
#813CEC
background
#F8FAFC
surface
#EFF4F9
border
#CACED2
text
#0A0F14
muted
#7C7F82