#2545C4#2545C4
#2545C4 is a mid, highly saturated blue. Relative luminance 0.086; OKLCH L 45.6% C 0.201 H 266.7°. Best body text is #FFFFFF at 7.70:1 contrast (WCAG AA passes).
Color values
| HEX | #2545C4 |
|---|---|
| RGB | rgb(37, 69, 196) |
| HSL | hsl(228, 68%, 46%) |
| HSV | hsv(228, 81%, 77%) |
| CMYK | cmyk(81.1%, 64.8%, 0%, 23.1%) |
| CIE-LAB | lab(35.27, 35.64, -69.13) |
| CIE-LCH | lch(35.27, 77.78, 297.27°) |
| OKLab | oklab(45.58% -0.0115 -0.2002) |
| OKLCH | oklch(45.58% 0.201 266.7) |
| XYZ | xyz(12.8514, 8.6336, 53.2030) |
| Luminance | 0.0863 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blue Blue
#2242C7
ΔE00 0.97
Blue (survey)
#0343DF
ΔE00 3.24
Sapphire (survey)
#2138AB
ΔE00 4.88
Cobalt
#0047AB
ΔE00 4.99
Ocean Blue
#4F42B5
ΔE00 5.36
Sapphire
#0F52BA
ΔE00 5.59
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2545C4 #C4A425
analogous
#2594C4 #2545C4 #5525C4
triadic
#2545C4 #C42545 #45C425
tetradic
#2545C4 #C42594 #C4A425 #25C455
square
#2545C4 #C42594 #C4A425 #25C455
split-complementary
#2545C4 #C45525 #94C425
monochromatic
#12215D #1B3391 #2545C4 #4967DD #7D92E6
Accessibility & contrast
On white
7.70
#2545C4 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.73
#2545C4 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2545C4
7.70:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2545C4 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2545C4 | 1.00 | 7.70 | 2.73 | 7.70 |
| #FFFFFF | 7.70 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.73 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.70 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#005BC8
Deuteranopia (green-blind)
#004CC2
Tritanopia (blue-blind)
#00677E
Achromatopsia (no color)
#535353
Design tokens & code
CSS
--color: #2545c4; /* rgb */ color: rgb(37, 69, 196); /* oklch */ color: oklch(45.6% 0.201 266.7);
Tailwind
colors: {
custom: {
50: '#7b78d7',
500: '#2545c4',
950: '#000000',
},
}SCSS
$custom: #2545c4; $custom-light: #7b78d7; $custom-dark: #000000;
JSON
{
"hex": "#2545c4",
"rgb": {
"r": 37,
"g": 69,
"b": 196
},
"hsl": {
"h": 227.925,
"s": 68.24,
"l": 45.686
},
"oklch": {
"l": 0.45583,
"c": 0.20052,
"h": 266.7
},
"luminance": 0.08635
}Semantic roles & 50–950 ramp
primary
#2545C4
secondary
#CFBD76
accent
#C83DEB
background
#F8F7FD
surface
#EFEDFA
border
#CAC8D3
text
#0B0915
muted
#7C7B83