#3370C5#3370C5
#3370C5 is a mid, vivid cyan. Relative luminance 0.163; OKLCH L 54.9% C 0.147 H 257.4°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).
Color values
| HEX | #3370C5 |
|---|---|
| RGB | rgb(51, 112, 197) |
| HSL | hsl(215, 59%, 49%) |
| HSV | hsv(215, 74%, 77%) |
| CMYK | cmyk(74.1%, 43.1%, 0%, 22.7%) |
| CIE-LAB | lab(47.39, 9.75, -50.03) |
| CIE-LCH | lch(47.39, 50.98, 281.03°) |
| OKLab | oklab(54.92% -0.032 -0.1432) |
| OKLCH | oklch(54.92% 0.147 257.4) |
| XYZ | xyz(17.2338, 16.3214, 55.0546) |
| Luminance | 0.1632 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Medium Blue
#2C6FBB
ΔE00 1.81
Windows Blue
#3778BF
ΔE00 3.19
Mid Blue
#276AB3
ΔE00 3.38
Flat Blue
#3C73A8
ΔE00 3.58
French Blue
#436BAD
ΔE00 3.65
Bluish
#2976BB
ΔE00 3.80
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3370C5 #C58833
analogous
#33B9C5 #3370C5 #3F33C5
triadic
#3370C5 #C53370 #70C533
tetradic
#3370C5 #C533B9 #C58833 #33C53F
square
#3370C5 #C533B9 #C58833 #33C53F
split-complementary
#3370C5 #C53F33 #B9C533
monochromatic
#1A3964 #265494 #3370C5 #5F91D6 #90B2E2
Accessibility & contrast
On white
4.92
#3370C5 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.26
#3370C5 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3370C5
4.92:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3370C5 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3370C5 | 1.00 | 4.92 | 4.26 | 4.92 |
| #FFFFFF | 4.92 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.26 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.92 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4678C8
Deuteranopia (green-blind)
#2B6AC3
Tritanopia (blue-blind)
#008491
Achromatopsia (no color)
#707070
Design tokens & code
CSS
--color: #3370c5; /* rgb */ color: rgb(51, 112, 197); /* oklch */ color: oklch(54.9% 0.147 257.4);
Tailwind
colors: {
custom: {
50: '#7e98d7',
500: '#3370c5',
950: '#000000',
},
}SCSS
$custom: #3370c5; $custom-light: #7e98d7; $custom-dark: #000000;
JSON
{
"hex": "#3370c5",
"rgb": {
"r": 51,
"g": 112,
"b": 197
},
"hsl": {
"h": 214.932,
"s": 58.871,
"l": 48.627
},
"oklch": {
"l": 0.54923,
"c": 0.14671,
"h": 257.4
},
"luminance": 0.16323
}Semantic roles & 50–950 ramp
primary
#3370C5
secondary
#CDB087
accent
#A146E2
background
#F8F9FD
surface
#EFF2FA
border
#CACCD3
text
#0B0D14
muted
#7C7E83