#2B448C#2B448C
#2B448C is a dark, vivid blue. Relative luminance 0.065; OKLCH L 40.9% C 0.123 H 266.5°. Best body text is #FFFFFF at 9.10:1 contrast (WCAG AA passes).
Color values
| HEX | #2B448C |
|---|---|
| RGB | rgb(43, 68, 140) |
| HSL | hsl(225, 53%, 36%) |
| HSV | hsv(225, 69%, 55%) |
| CMYK | cmyk(69.3%, 51.4%, 0%, 45.1%) |
| CIE-LAB | lab(30.74, 15.79, -42.95) |
| CIE-LCH | lch(30.74, 45.76, 290.18°) |
| OKLab | oklab(40.86% -0.0074 -0.1232) |
| OKLCH | oklch(40.86% 0.123 266.5) |
| XYZ | xyz(7.7954, 6.5405, 25.6575) |
| Luminance | 0.0654 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 2.71
Darkish Blue
#014182
ΔE00 4.48
Cobalt
#0047AB
ΔE00 4.80
Twilight Blue
#0A437A
ΔE00 5.29
Blueberry
#464196
ΔE00 5.83
Dusk Blue
#26538D
ΔE00 6.02
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B448C #8C732B
analogous
#2B748C #2B448C #422B8C
triadic
#2B448C #8C2B44 #448C2B
tetradic
#2B448C #8C2B74 #8C732B #2B8C42
square
#2B448C #8C2B74 #8C732B #2B8C42
split-complementary
#2B448C #8C422B #748C2B
monochromatic
#0E172E #1D2D5D #2B448C #395BBB #627ECF
Accessibility & contrast
On white
9.10
#2B448C on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.31
#2B448C on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2B448C
9.10:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B448C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B448C | 1.00 | 9.10 | 2.31 | 9.10 |
| #FFFFFF | 9.10 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.31 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.10 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#1B4D8F
Deuteranopia (green-blind)
#00448B
Tritanopia (blue-blind)
#005561
Achromatopsia (no color)
#484848
Design tokens & code
CSS
--color: #2b448c; /* rgb */ color: rgb(43, 68, 140); /* oklch */ color: oklch(40.9% 0.123 266.5);
Tailwind
colors: {
custom: {
50: '#7077ae',
500: '#2b448c',
950: '#000000',
},
}SCSS
$custom: #2b448c; $custom-light: #7077ae; $custom-dark: #000000;
JSON
{
"hex": "#2b448c",
"rgb": {
"r": 43,
"g": 68,
"b": 140
},
"hsl": {
"h": 224.536,
"s": 53.005,
"l": 35.882
},
"oklch": {
"l": 0.40858,
"c": 0.12345,
"h": 266.5
},
"luminance": 0.06541
}Semantic roles & 50–950 ramp
primary
#2B448C
secondary
#B59F5E
accent
#B74BDC
background
#F7F7FA
surface
#EDEDF4
border
#C8C8CE
text
#080810
muted
#7B7B7F