#297BB6#297BB6
#297BB6 is a mid, moderate cyan. Relative luminance 0.180; OKLCH L 56.2% C 0.120 H 244.5°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).
Color values
| HEX | #297BB6 |
|---|---|
| RGB | rgb(41, 123, 182) |
| HSL | hsl(205, 63%, 44%) |
| HSV | hsv(205, 77%, 71%) |
| CMYK | cmyk(77.5%, 32.4%, 0%, 28.6%) |
| CIE-LAB | lab(49.51, -3.81, -38.05) |
| CIE-LCH | lch(49.51, 38.24, 264.29°) |
| OKLab | oklab(56.23% -0.0516 -0.108) |
| OKLCH | oklch(56.23% 0.12 244.5) |
| XYZ | xyz(16.4376, 18.0128, 46.8574) |
| Luminance | 0.1802 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Nice Blue
#107AB0
ΔE00 2.55
Bluish
#2976BB
ΔE00 2.62
Steel Blue
#4682B4
ΔE00 3.47
Windows Blue
#3778BF
ΔE00 3.52
Flat Blue
#3C73A8
ΔE00 3.99
Cool Blue
#4984B8
ΔE00 4.27
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#297BB6 #B66429
analogous
#29B6AA #297BB6 #2935B6
triadic
#297BB6 #B6297B #7BB629
tetradic
#297BB6 #AA29B6 #B66429 #35B629
square
#297BB6 #AA29B6 #B66429 #35B629
split-complementary
#297BB6 #B62935 #B6AA29
monochromatic
#123752 #1E5984 #297BB6 #479AD5 #79B5E1
Accessibility & contrast
On white
4.56
#297BB6 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.60
#297BB6 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #297BB6
4.60:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##297BB6 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##297BB6 | 1.00 | 4.56 | 4.60 | 4.60 |
| #FFFFFF | 4.56 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.60 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.60 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#607DB9
Deuteranopia (green-blind)
#4C70B5
Tritanopia (blue-blind)
#008990
Achromatopsia (no color)
#767676
Design tokens & code
CSS
--color: #297bb6; /* rgb */ color: rgb(41, 123, 182); /* oklch */ color: oklch(56.2% 0.120 244.5);
Tailwind
colors: {
custom: {
50: '#78a0cc',
500: '#297bb6',
950: '#000000',
},
}SCSS
$custom: #297bb6; $custom-light: #78a0cc; $custom-dark: #000000;
JSON
{
"hex": "#297bb6",
"rgb": {
"r": 41,
"g": 123,
"b": 182
},
"hsl": {
"h": 205.106,
"s": 63.229,
"l": 43.725
},
"oklch": {
"l": 0.56231,
"c": 0.11967,
"h": 244.5
},
"luminance": 0.18015
}Semantic roles & 50–950 ramp
primary
#297BB6
secondary
#C99672
accent
#8642E6
background
#F7F9FC
surface
#EEF2F9
border
#C9CCD2
text
#0A0E13
muted
#7C7E82