#2B489C#2B489C
#2B489C is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.0% C 0.141 H 266.2°. Best body text is #FFFFFF at 8.37:1 contrast (WCAG AA passes).
Color values
| HEX | #2B489C |
|---|---|
| RGB | rgb(43, 72, 156) |
| HSL | hsl(225, 57%, 39%) |
| HSV | hsv(225, 72%, 61%) |
| CMYK | cmyk(72.4%, 53.8%, 0%, 38.8%) |
| CIE-LAB | lab(33.02, 19.20, -49.02) |
| CIE-LCH | lch(33.02, 52.64, 291.39°) |
| OKLab | oklab(42.96% -0.0094 -0.141) |
| OKLCH | oklch(42.96% 0.141 266.2) |
| XYZ | xyz(9.3123, 7.5477, 32.4121) |
| Luminance | 0.0755 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 2.92
Cobalt
#0047AB
ΔE00 2.94
Sapphire
#0F52BA
ΔE00 5.25
Dusk Blue
#26538D
ΔE00 5.46
Darkish Blue
#014182
ΔE00 5.66
Sapphire (survey)
#2138AB
ΔE00 5.87
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B489C #9C7F2B
analogous
#2B819C #2B489C #472B9C
triadic
#2B489C #9C2B48 #489C2B
tetradic
#2B489C #9C2B81 #9C7F2B #2B9C47
square
#2B489C #9C2B81 #9C7F2B #2B9C47
split-complementary
#2B489C #9C472B #819C2B
monochromatic
#111C3C #1E326C #2B489C #3B60C9 #6B87D6
Accessibility & contrast
On white
8.37
#2B489C on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.51
#2B489C on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2B489C
8.37:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B489C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B489C | 1.00 | 8.37 | 2.51 | 8.37 |
| #FFFFFF | 8.37 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.51 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.37 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0C539F
Deuteranopia (green-blind)
#00499A
Tritanopia (blue-blind)
#005C6B
Achromatopsia (no color)
#4E4E4E
Design tokens & code
CSS
--color: #2b489c; /* rgb */ color: rgb(43, 72, 156); /* oklch */ color: oklch(43.0% 0.141 266.2);
Tailwind
colors: {
custom: {
50: '#747aba',
500: '#2b489c',
950: '#000000',
},
}SCSS
$custom: #2b489c; $custom-light: #747aba; $custom-dark: #000000;
JSON
{
"hex": "#2b489c",
"rgb": {
"r": 43,
"g": 72,
"b": 156
},
"hsl": {
"h": 224.602,
"s": 56.784,
"l": 39.02
},
"oklch": {
"l": 0.42957,
"c": 0.14133,
"h": 266.2
},
"luminance": 0.07549
}Semantic roles & 50–950 ramp
primary
#2B489C
secondary
#BDA766
accent
#B948E0
background
#F7F7FB
surface
#EDEDF6
border
#C8C8D0
text
#090912
muted
#7B7B81