#297EB2#297EB2
#297EB2 is a mid, moderate cyan. Relative luminance 0.186; OKLCH L 56.7% C 0.113 H 240.4°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).
Color values
| HEX | #297EB2 |
|---|---|
| RGB | rgb(41, 126, 178) |
| HSL | hsl(203, 63%, 43%) |
| HSV | hsv(203, 77%, 70%) |
| CMYK | cmyk(77%, 29.2%, 0%, 30.2%) |
| CIE-LAB | lab(50.22, -7.04, -34.62) |
| CIE-LCH | lch(50.22, 35.33, 258.51°) |
| OKLab | oklab(56.73% -0.0557 -0.0979) |
| OKLCH | oklch(56.73% 0.113 240.4) |
| XYZ | xyz(16.4080, 18.6055, 44.8373) |
| Luminance | 0.1861 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Nice Blue
#107AB0
ΔE00 1.91
Steel Blue
#4682B4
ΔE00 3.41
Cerulean
#007BA7
ΔE00 4.00
Water Blue
#0E87CC
ΔE00 4.22
Cool Blue
#4984B8
ΔE00 4.27
Cerulean (survey)
#0485D1
ΔE00 4.38
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#297EB2 #B25D29
analogous
#29B2A1 #297EB2 #2939B2
triadic
#297EB2 #B2297E #7EB229
tetradic
#297EB2 #A129B2 #B25D29 #39B229
square
#297EB2 #A129B2 #B25D29 #39B229
split-complementary
#297EB2 #B22939 #B2A129
monochromatic
#12384F #1E5B80 #297EB2 #449DD4 #76B7DF
Accessibility & contrast
On white
4.45
#297EB2 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.72
#297EB2 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #297EB2
4.72:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##297EB2 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##297EB2 | 1.00 | 4.45 | 4.72 | 4.72 |
| #FFFFFF | 4.45 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.72 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.72 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#667FB4
Deuteranopia (green-blind)
#5372B1
Tritanopia (blue-blind)
#008B90
Achromatopsia (no color)
#777777
Design tokens & code
CSS
--color: #297eb2; /* rgb */ color: rgb(41, 126, 178); /* oklch */ color: oklch(56.7% 0.113 240.4);
Tailwind
colors: {
custom: {
50: '#77a3c9',
500: '#297eb2',
950: '#000000',
},
}SCSS
$custom: #297eb2; $custom-light: #77a3c9; $custom-dark: #000000;
JSON
{
"hex": "#297eb2",
"rgb": {
"r": 41,
"g": 126,
"b": 178
},
"hsl": {
"h": 202.774,
"s": 62.557,
"l": 42.941
},
"oklch": {
"l": 0.56729,
"c": 0.11267,
"h": 240.4
},
"luminance": 0.18607
}Semantic roles & 50–950 ramp
primary
#297EB2
secondary
#C79170
accent
#8042E6
background
#F7FAFC
surface
#EEF3F8
border
#C9CDD1
text
#0A0F13
muted
#7C7F82