#2570BC#2570BC
#2570BC is a mid, vivid cyan. Relative luminance 0.156; OKLCH L 53.9% C 0.139 H 252.3°. Best body text is #FFFFFF at 5.09:1 contrast (WCAG AA passes).
Color values
| HEX | #2570BC |
|---|---|
| RGB | rgb(37, 112, 188) |
| HSL | hsl(210, 67%, 44%) |
| HSV | hsv(210, 80%, 74%) |
| CMYK | cmyk(80.3%, 40.4%, 0%, 26.3%) |
| CIE-LAB | lab(46.46, 4.72, -46.36) |
| CIE-LCH | lch(46.46, 46.60, 275.81°) |
| OKLab | oklab(53.91% -0.0422 -0.1325) |
| OKLCH | oklch(53.91% 0.139 252.3) |
| XYZ | xyz(15.6308, 15.6106, 49.7565) |
| Luminance | 0.1561 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Medium Blue
#2C6FBB
ΔE00 0.85
Bluish
#2976BB
ΔE00 2.34
Mid Blue
#276AB3
ΔE00 2.36
Flat Blue
#3C73A8
ΔE00 2.52
Windows Blue
#3778BF
ΔE00 3.06
Muted Blue
#3B719F
ΔE00 3.48
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2570BC #BC7125
analogous
#25BCBC #2570BC #2625BC
triadic
#2570BC #BC2570 #70BC25
tetradic
#2570BC #BC25BC #BC7125 #25BC26
square
#2570BC #BC25BC #BC7125 #25BC26
split-complementary
#2570BC #BC2625 #BCBC25
monochromatic
#113356 #1B5289 #2570BC #448FDA #77ADE4
Accessibility & contrast
On white
5.09
#2570BC on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.12
#2570BC on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #2570BC
5.09:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2570BC | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2570BC | 1.00 | 5.09 | 4.12 | 5.09 |
| #FFFFFF | 5.09 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.12 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.09 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4B75BF
Deuteranopia (green-blind)
#3268BB
Tritanopia (blue-blind)
#00828D
Achromatopsia (no color)
#6E6E6E
Design tokens & code
CSS
--color: #2570bc; /* rgb */ color: rgb(37, 112, 188); /* oklch */ color: oklch(53.9% 0.139 252.3);
Tailwind
colors: {
custom: {
50: '#7798d0',
500: '#2570bc',
950: '#000000',
},
}SCSS
$custom: #2570bc; $custom-light: #7798d0; $custom-dark: #000000;
JSON
{
"hex": "#2570bc",
"rgb": {
"r": 37,
"g": 112,
"b": 188
},
"hsl": {
"h": 210.199,
"s": 67.111,
"l": 44.118
},
"oklch": {
"l": 0.53911,
"c": 0.13909,
"h": 252.3
},
"luminance": 0.15612
}Semantic roles & 50–950 ramp
primary
#2570BC
secondary
#CC9F71
accent
#943EEA
background
#F7F9FC
surface
#EEF2F9
border
#C9CCD2
text
#0A0D14
muted
#7C7E82