#2B71B0#2B71B0
#2B71B0 is a mid, vivid cyan. Relative luminance 0.155; OKLCH L 53.6% C 0.121 H 249.2°. Best body text is #FFFFFF at 5.13:1 contrast (WCAG AA passes).
Color values
| HEX | #2B71B0 |
|---|---|
| RGB | rgb(43, 113, 176) |
| HSL | hsl(208, 61%, 43%) |
| HSV | hsv(208, 76%, 69%) |
| CMYK | cmyk(75.6%, 35.8%, 0%, 31%) |
| CIE-LAB | lab(46.25, 0.27, -39.71) |
| CIE-LCH | lch(46.25, 39.71, 270.38°) |
| OKLab | oklab(53.58% -0.0429 -0.113) |
| OKLCH | oklch(53.58% 0.121 249.2) |
| XYZ | xyz(14.7349, 15.4567, 43.2727) |
| Luminance | 0.1546 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Flat Blue
#3C73A8
ΔE00 1.68
Medium Blue
#2C6FBB
ΔE00 2.07
Bluish
#2976BB
ΔE00 2.11
Muted Blue
#3B719F
ΔE00 2.31
Mid Blue
#276AB3
ΔE00 2.82
Windows Blue
#3778BF
ΔE00 3.39
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B71B0 #B06A2B
analogous
#2BB0AC #2B71B0 #2B2EB0
triadic
#2B71B0 #B02B71 #71B02B
tetradic
#2B71B0 #AC2BB0 #B06A2B #2EB02B
square
#2B71B0 #AC2BB0 #B06A2B #2EB02B
split-complementary
#2B71B0 #B02B2E #B0AC2B
monochromatic
#13324E #1F517F #2B71B0 #4690D2 #78ADDE
Accessibility & contrast
On white
5.13
#2B71B0 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.09
#2B71B0 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #2B71B0
5.13:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B71B0 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B71B0 | 1.00 | 5.13 | 4.09 | 5.13 |
| #FFFFFF | 5.13 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.09 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.13 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5474B3
Deuteranopia (green-blind)
#4068AF
Tritanopia (blue-blind)
#008088
Achromatopsia (no color)
#6E6E6E
Design tokens & code
CSS
--color: #2b71b0; /* rgb */ color: rgb(43, 113, 176); /* oklch */ color: oklch(53.6% 0.121 249.2);
Tailwind
colors: {
custom: {
50: '#7799c8',
500: '#2b71b0',
950: '#000000',
},
}SCSS
$custom: #2b71b0; $custom-light: #7799c8; $custom-dark: #000000;
JSON
{
"hex": "#2b71b0",
"rgb": {
"r": 43,
"g": 113,
"b": 176
},
"hsl": {
"h": 208.421,
"s": 60.731,
"l": 42.941
},
"oklch": {
"l": 0.5358,
"c": 0.12083,
"h": 249.2
},
"luminance": 0.15458
}Semantic roles & 50–950 ramp
primary
#2B71B0
secondary
#C69971
accent
#9044E4
background
#F7F9FC
surface
#EEF2F8
border
#C9CCD1
text
#0A0D13
muted
#7C7E82