#2545BC#2545BC
#2545BC is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.8% C 0.190 H 266.6°. Best body text is #FFFFFF at 7.91:1 contrast (WCAG AA passes).
Color values
| HEX | #2545BC |
|---|---|
| RGB | rgb(37, 69, 188) |
| HSL | hsl(227, 67%, 44%) |
| HSV | hsv(227, 80%, 74%) |
| CMYK | cmyk(80.3%, 63.3%, 0%, 26.3%) |
| CIE-LAB | lab(34.56, 32.67, -65.61) |
| CIE-LCH | lch(34.56, 73.29, 296.47°) |
| OKLab | oklab(44.84% -0.0114 -0.1899) |
| OKLCH | oklch(44.84% 0.19 266.6) |
| XYZ | xyz(11.9650, 8.2790, 48.5346) |
| Luminance | 0.0828 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blue Blue
#2242C7
ΔE00 1.77
Cobalt
#0047AB
ΔE00 4.08
Blue (survey)
#0343DF
ΔE00 4.29
Sapphire (survey)
#2138AB
ΔE00 4.31
Sapphire
#0F52BA
ΔE00 5.22
Ocean Blue
#4F42B5
ΔE00 5.47
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2545BC #BC9C25
analogous
#2591BC #2545BC #5125BC
triadic
#2545BC #BC2545 #45BC25
tetradic
#2545BC #BC2591 #BC9C25 #25BC51
square
#2545BC #BC2591 #BC9C25 #25BC51
split-complementary
#2545BC #BC5125 #91BC25
monochromatic
#111F56 #1B3289 #2545BC #4464DA #778EE4
Accessibility & contrast
On white
7.91
#2545BC on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.66
#2545BC on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2545BC
7.91:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2545BC | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2545BC | 1.00 | 7.91 | 2.66 | 7.91 |
| #FFFFFF | 7.91 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.66 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.91 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0059C0
Deuteranopia (green-blind)
#004ABA
Tritanopia (blue-blind)
#00647A
Achromatopsia (no color)
#515151
Design tokens & code
CSS
--color: #2545bc; /* rgb */ color: rgb(37, 69, 188); /* oklch */ color: oklch(44.8% 0.190 266.6);
Tailwind
colors: {
custom: {
50: '#7978d1',
500: '#2545bc',
950: '#000000',
},
}SCSS
$custom: #2545bc; $custom-light: #7978d1; $custom-dark: #000000;
JSON
{
"hex": "#2545bc",
"rgb": {
"r": 37,
"g": 69,
"b": 188
},
"hsl": {
"h": 227.285,
"s": 67.111,
"l": 44.118
},
"oklch": {
"l": 0.44841,
"c": 0.19023,
"h": 266.6
},
"luminance": 0.0828
}Semantic roles & 50–950 ramp
primary
#2545BC
secondary
#CCB971
accent
#C63EEA
background
#F8F7FD
surface
#EFEDFA
border
#CAC8D3
text
#0B0914
muted
#7C7B83