#2B27B1#2B27B1
#2B27B1 is a dark, highly saturated blue. Relative luminance 0.051; OKLCH L 39.2% C 0.207 H 272.7°. Best body text is #FFFFFF at 10.36:1 contrast (WCAG AA passes).
Color values
| HEX | #2B27B1 |
|---|---|
| RGB | rgb(43, 39, 177) |
| HSL | hsl(242, 64%, 42%) |
| HSV | hsv(242, 78%, 69%) |
| CMYK | cmyk(75.7%, 78%, 0%, 30.6%) |
| CIE-LAB | lab(27.12, 47.42, -71.32) |
| CIE-LCH | lch(27.12, 85.64, 303.62°) |
| OKLab | oklab(39.23% 0.0097 -0.2064) |
| OKLCH | oklch(39.23% 0.207 272.7) |
| XYZ | xyz(9.6549, 5.1379, 42.0693) |
| Luminance | 0.0514 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Indigo Blue
#3A18B1
ΔE00 3.11
True Blue
#010FCC
ΔE00 4.46
Sapphire (survey)
#2138AB
ΔE00 4.89
Mediumblue
#0000CD
ΔE00 5.33
Ultramarine
#2000B1
ΔE00 5.33
Cobalt Blue
#030AA7
ΔE00 5.45
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B27B1 #ADB127
analogous
#2768B1 #2B27B1 #7027B1
triadic
#2B27B1 #B12B27 #27B12B
tetradic
#2B27B1 #B12768 #ADB127 #27B170
square
#2B27B1 #B12768 #ADB127 #27B170
split-complementary
#2B27B1 #B17027 #68B127
monochromatic
#13114D #1F1C7F #2B27B1 #4540D5 #7672E0
Accessibility & contrast
On white
10.36
#2B27B1 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.03
#2B27B1 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2B27B1
10.36:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B27B1 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B27B1 | 1.00 | 10.36 | 2.03 | 10.36 |
| #FFFFFF | 10.36 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.03 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.36 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0047B5
Deuteranopia (green-blind)
#0039AF
Tritanopia (blue-blind)
#00516B
Achromatopsia (no color)
#404040
Design tokens & code
CSS
--color: #2b27b1; /* rgb */ color: rgb(43, 39, 177); /* oklch */ color: oklch(39.2% 0.207 272.7);
Tailwind
colors: {
custom: {
50: '#7b64ca',
500: '#2b27b1',
950: '#000000',
},
}SCSS
$custom: #2b27b1; $custom-light: #7b64ca; $custom-dark: #000000;
JSON
{
"hex": "#2b27b1",
"rgb": {
"r": 43,
"g": 39,
"b": 177
},
"hsl": {
"h": 241.739,
"s": 63.889,
"l": 42.353
},
"oklch": {
"l": 0.39227,
"c": 0.20662,
"h": 272.7
},
"luminance": 0.05139
}Semantic roles & 50–950 ramp
primary
#2B27B1
secondary
#C4C76D
accent
#E741E2
background
#F8F6FC
surface
#EFEBF9
border
#CAC6D2
text
#0B0613
muted
#7C7A82