#2571C1#2571C1
#2571C1 is a mid, vivid cyan. Relative luminance 0.161; OKLCH L 54.5% C 0.144 H 253.2°. Best body text is #FFFFFF at 4.99:1 contrast (WCAG AA passes).
Color values
| HEX | #2571C1 |
|---|---|
| RGB | rgb(37, 113, 193) |
| HSL | hsl(211, 68%, 45%) |
| HSV | hsv(211, 81%, 76%) |
| CMYK | cmyk(80.8%, 41.5%, 0%, 24.3%) |
| CIE-LAB | lab(47.04, 6.00, -48.32) |
| CIE-LCH | lch(47.04, 48.69, 277.08°) |
| OKLab | oklab(54.46% -0.0419 -0.1383) |
| OKLCH | oklch(54.46% 0.144 253.2) |
| XYZ | xyz(16.2901, 16.0518, 52.6815) |
| Luminance | 0.1605 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Medium Blue
#2C6FBB
ΔE00 1.04
Bluish
#2976BB
ΔE00 2.22
Windows Blue
#3778BF
ΔE00 2.60
Flat Blue
#3C73A8
ΔE00 2.77
Mid Blue
#276AB3
ΔE00 2.88
Muted Blue
#3B719F
ΔE00 3.90
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2571C1 #C17525
analogous
#25BFC1 #2571C1 #2725C1
triadic
#2571C1 #C12571 #71C125
tetradic
#2571C1 #C125BF #C17525 #25C127
square
#2571C1 #C125BF #C17525 #25C127
split-complementary
#2571C1 #C12725 #BFC125
monochromatic
#11355A #1B538E #2571C1 #4790DC #7BAFE6
Accessibility & contrast
On white
4.99
#2571C1 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.21
#2571C1 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #2571C1
4.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2571C1 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2571C1 | 1.00 | 4.99 | 4.21 | 4.99 |
| #FFFFFF | 4.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.21 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4977C4
Deuteranopia (green-blind)
#2E69BF
Tritanopia (blue-blind)
#00848F
Achromatopsia (no color)
#707070
Design tokens & code
CSS
--color: #2571c1; /* rgb */ color: rgb(37, 113, 193); /* oklch */ color: oklch(54.5% 0.144 253.2);
Tailwind
colors: {
custom: {
50: '#7999d4',
500: '#2571c1',
950: '#000000',
},
}SCSS
$custom: #2571c1; $custom-light: #7999d4; $custom-dark: #000000;
JSON
{
"hex": "#2571c1",
"rgb": {
"r": 37,
"g": 113,
"b": 193
},
"hsl": {
"h": 210.769,
"s": 67.826,
"l": 45.098
},
"oklch": {
"l": 0.5446,
"c": 0.14447,
"h": 253.2
},
"luminance": 0.16054
}Semantic roles & 50–950 ramp
primary
#2571C1
secondary
#CEA274
accent
#963DEB
background
#F8F9FD
surface
#EFF2FA
border
#CACCD3
text
#0B0D14
muted
#7C7E83