#2571BE#2571BE
#2571BE is a mid, vivid cyan. Relative luminance 0.159; OKLCH L 54.3% C 0.141 H 252.4°. Best body text is #FFFFFF at 5.02:1 contrast (WCAG AA passes).
Color values
| HEX | #2571BE |
|---|---|
| RGB | rgb(37, 113, 190) |
| HSL | hsl(210, 67%, 45%) |
| HSV | hsv(210, 81%, 75%) |
| CMYK | cmyk(80.5%, 40.5%, 0%, 25.5%) |
| CIE-LAB | lab(46.87, 4.86, -46.86) |
| CIE-LCH | lch(46.87, 47.12, 275.92°) |
| OKLab | oklab(54.27% -0.0426 -0.134) |
| OKLCH | oklch(54.27% 0.141 252.4) |
| XYZ | xyz(15.9588, 15.9193, 50.9368) |
| Luminance | 0.1592 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Medium Blue
#2C6FBB
ΔE00 1.08
Bluish
#2976BB
ΔE00 2.04
Flat Blue
#3C73A8
ΔE00 2.54
Windows Blue
#3778BF
ΔE00 2.68
Mid Blue
#276AB3
ΔE00 2.76
Muted Blue
#3B719F
ΔE00 3.62
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2571BE #BE7225
analogous
#25BEBE #2571BE #2525BE
triadic
#2571BE #BE2571 #71BE25
tetradic
#2571BE #BE25BE #BE7225 #25BE25
square
#2571BE #BE25BE #BE7225 #25BE25
split-complementary
#2571BE #BE2525 #BEBE25
monochromatic
#113458 #1B538B #2571BE #4590DB #79AEE5
Accessibility & contrast
On white
5.02
#2571BE on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.18
#2571BE on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #2571BE
5.02:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2571BE | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2571BE | 1.00 | 5.02 | 4.18 | 5.02 |
| #FFFFFF | 5.02 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.18 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.02 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4B77C1
Deuteranopia (green-blind)
#3269BC
Tritanopia (blue-blind)
#00838E
Achromatopsia (no color)
#6F6F6F
Design tokens & code
CSS
--color: #2571be; /* rgb */ color: rgb(37, 113, 190); /* oklch */ color: oklch(54.3% 0.141 252.4);
Tailwind
colors: {
custom: {
50: '#7899d2',
500: '#2571be',
950: '#000000',
},
}SCSS
$custom: #2571be; $custom-light: #7899d2; $custom-dark: #000000;
JSON
{
"hex": "#2571be",
"rgb": {
"r": 37,
"g": 113,
"b": 190
},
"hsl": {
"h": 210.196,
"s": 67.401,
"l": 44.51
},
"oklch": {
"l": 0.54268,
"c": 0.1406,
"h": 252.4
},
"luminance": 0.15921
}Semantic roles & 50–950 ramp
primary
#2571BE
secondary
#CDA072
accent
#943EEA
background
#F8F9FC
surface
#EFF2F9
border
#CACCD2
text
#0A0D14
muted
#7C7E82