#2B74B8#2B74B8
#2B74B8 is a mid, vivid cyan. Relative luminance 0.165; OKLCH L 54.8% C 0.128 H 250.1°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).
Color values
| HEX | #2B74B8 |
|---|---|
| RGB | rgb(43, 116, 184) |
| HSL | hsl(209, 62%, 45%) |
| HSV | hsv(209, 77%, 72%) |
| CMYK | cmyk(76.6%, 37%, 0%, 27.8%) |
| CIE-LAB | lab(47.58, 1.41, -42.26) |
| CIE-LCH | lch(47.58, 42.28, 271.91°) |
| OKLab | oklab(54.76% -0.0435 -0.1204) |
| OKLCH | oklch(54.76% 0.128 250.1) |
| XYZ | xyz(15.8901, 16.4632, 47.6784) |
| Luminance | 0.1646 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Bluish
#2976BB
ΔE00 0.82
Flat Blue
#3C73A8
ΔE00 2.00
Windows Blue
#3778BF
ΔE00 2.12
Medium Blue
#2C6FBB
ΔE00 2.25
Muted Blue
#3B719F
ΔE00 3.17
Mid Blue
#276AB3
ΔE00 3.75
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B74B8 #B86F2B
analogous
#2BB8B6 #2B74B8 #2B2EB8
triadic
#2B74B8 #B82B74 #74B82B
tetradic
#2B74B8 #B62BB8 #B86F2B #2EB82B
square
#2B74B8 #B62BB8 #B86F2B #2EB82B
split-complementary
#2B74B8 #B82B2E #B8B62B
monochromatic
#143555 #1F5586 #2B74B8 #4B93D5 #7DB0E1
Accessibility & contrast
On white
4.89
#2B74B8 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.29
#2B74B8 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #2B74B8
4.89:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B74B8 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B74B8 | 1.00 | 4.89 | 4.29 | 4.89 |
| #FFFFFF | 4.89 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.29 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.89 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5478BB
Deuteranopia (green-blind)
#3F6BB7
Tritanopia (blue-blind)
#00848D
Achromatopsia (no color)
#717171
Design tokens & code
CSS
--color: #2b74b8; /* rgb */ color: rgb(43, 116, 184); /* oklch */ color: oklch(54.8% 0.128 250.1);
Tailwind
colors: {
custom: {
50: '#789bcd',
500: '#2b74b8',
950: '#000000',
},
}SCSS
$custom: #2b74b8; $custom-light: #789bcd; $custom-dark: #000000;
JSON
{
"hex": "#2b74b8",
"rgb": {
"r": 43,
"g": 116,
"b": 184
},
"hsl": {
"h": 208.936,
"s": 62.115,
"l": 44.51
},
"oklch": {
"l": 0.54757,
"c": 0.12801,
"h": 250.1
},
"luminance": 0.16465
}Semantic roles & 50–950 ramp
primary
#2B74B8
secondary
#C99E76
accent
#9143E5
background
#F7F9FC
surface
#EEF2F9
border
#C9CCD2
text
#0A0E13
muted
#7C7E82