#2B70B5#2B70B5
#2B70B5 is a mid, vivid cyan. Relative luminance 0.154; OKLCH L 53.6% C 0.128 H 251.5°. Best body text is #FFFFFF at 5.14:1 contrast (WCAG AA passes).
Color values
| HEX | #2B70B5 |
|---|---|
| RGB | rgb(43, 112, 181) |
| HSL | hsl(210, 62%, 44%) |
| HSV | hsv(210, 76%, 71%) |
| CMYK | cmyk(76.2%, 38.1%, 0%, 29%) |
| CIE-LAB | lab(46.23, 2.75, -42.66) |
| CIE-LCH | lch(46.23, 42.75, 273.69°) |
| OKLab | oklab(53.65% -0.0406 -0.1216) |
| OKLCH | oklch(53.65% 0.128 251.5) |
| XYZ | xyz(15.1278, 15.4364, 45.8893) |
| Luminance | 0.1544 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Medium Blue
#2C6FBB
ΔE00 1.10
Flat Blue
#3C73A8
ΔE00 2.00
Mid Blue
#276AB3
ΔE00 2.21
Bluish
#2976BB
ΔE00 2.36
Muted Blue
#3B719F
ΔE00 2.87
Windows Blue
#3778BF
ΔE00 3.23
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B70B5 #B5702B
analogous
#2BB5B5 #2B70B5 #2B2BB5
triadic
#2B70B5 #B52B70 #70B52B
tetradic
#2B70B5 #B52BB5 #B5702B #2BB52B
square
#2B70B5 #B52BB5 #B5702B #2BB52B
split-complementary
#2B70B5 #B52B2B #B5B52B
monochromatic
#143352 #1F5184 #2B70B5 #498FD4 #7BADE0
Accessibility & contrast
On white
5.14
#2B70B5 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.09
#2B70B5 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #2B70B5
5.14:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B70B5 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B70B5 | 1.00 | 5.14 | 4.09 | 5.14 |
| #FFFFFF | 5.14 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.09 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.14 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5074B8
Deuteranopia (green-blind)
#3A68B4
Tritanopia (blue-blind)
#00808A
Achromatopsia (no color)
#6D6D6D
Design tokens & code
CSS
--color: #2b70b5; /* rgb */ color: rgb(43, 112, 181); /* oklch */ color: oklch(53.6% 0.128 251.5);
Tailwind
colors: {
custom: {
50: '#7898cb',
500: '#2b70b5',
950: '#000000',
},
}SCSS
$custom: #2b70b5; $custom-light: #7898cb; $custom-dark: #000000;
JSON
{
"hex": "#2b70b5",
"rgb": {
"r": 43,
"g": 112,
"b": 181
},
"hsl": {
"h": 210,
"s": 61.607,
"l": 43.922
},
"oklch": {
"l": 0.53647,
"c": 0.12824,
"h": 251.5
},
"luminance": 0.15438
}Semantic roles & 50–950 ramp
primary
#2B70B5
secondary
#C89E74
accent
#9443E5
background
#F7F9FC
surface
#EEF2F8
border
#C9CCD1
text
#0A0D13
muted
#7C7E82