#2543AE#2543AE
#2543AE is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.2% C 0.174 H 266.7°. Best body text is #FFFFFF at 8.42:1 contrast (WCAG AA passes).
Color values
| HEX | #2543AE |
|---|---|
| RGB | rgb(37, 67, 174) |
| HSL | hsl(227, 65%, 41%) |
| HSV | hsv(227, 79%, 68%) |
| CMYK | cmyk(78.7%, 61.5%, 0%, 31.8%) |
| CIE-LAB | lab(32.84, 28.70, -60.14) |
| CIE-LCH | lch(32.84, 66.63, 295.51°) |
| OKLab | oklab(43.19% -0.0101 -0.1739) |
| OKLCH | oklch(43.19% 0.174 266.7) |
| XYZ | xyz(10.4074, 7.4624, 40.9281) |
| Luminance | 0.0746 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 3.20
Sapphire (survey)
#2138AB
ΔE00 3.34
Blue Blue
#2242C7
ΔE00 3.46
Sapphire
#0F52BA
ΔE00 5.63
Cobalt (survey)
#1E488F
ΔE00 5.70
Blueberry
#464196
ΔE00 5.89
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2543AE #AE9025
analogous
#2588AE #2543AE #4C25AE
triadic
#2543AE #AE2543 #43AE25
tetradic
#2543AE #AE2588 #AE9025 #25AE4C
square
#2543AE #AE2588 #AE9025 #25AE4C
split-complementary
#2543AE #AE4C25 #88AE25
monochromatic
#101C49 #1A307C #2543AE #3B5DD5 #6D86E0
Accessibility & contrast
On white
8.42
#2543AE on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.49
#2543AE on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2543AE
8.42:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2543AE | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2543AE | 1.00 | 8.42 | 2.49 | 8.42 |
| #FFFFFF | 8.42 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.49 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.42 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0054B2
Deuteranopia (green-blind)
#0047AC
Tritanopia (blue-blind)
#005F72
Achromatopsia (no color)
#4D4D4D
Design tokens & code
CSS
--color: #2543ae; /* rgb */ color: rgb(37, 67, 174); /* oklch */ color: oklch(43.2% 0.174 266.7);
Tailwind
colors: {
custom: {
50: '#7676c7',
500: '#2543ae',
950: '#000000',
},
}SCSS
$custom: #2543ae; $custom-light: #7676c7; $custom-dark: #000000;
JSON
{
"hex": "#2543ae",
"rgb": {
"r": 37,
"g": 67,
"b": 174
},
"hsl": {
"h": 226.861,
"s": 64.929,
"l": 41.373
},
"oklch": {
"l": 0.43193,
"c": 0.17417,
"h": 266.7
},
"luminance": 0.07464
}Semantic roles & 50–950 ramp
primary
#2543AE
secondary
#C6B268
accent
#C340E8
background
#F7F7FC
surface
#EEEDF8
border
#C9C8D1
text
#0A0813
muted
#7C7B82