#274AAB#274AAB
#274AAB is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.4% C 0.161 H 265.3°. Best body text is #FFFFFF at 7.91:1 contrast (WCAG AA passes).
Color values
| HEX | #274AAB |
|---|---|
| RGB | rgb(39, 74, 171) |
| HSL | hsl(224, 63%, 41%) |
| HSV | hsv(224, 77%, 67%) |
| CMYK | cmyk(77.2%, 56.7%, 0%, 32.9%) |
| CIE-LAB | lab(34.53, 23.10, -55.58) |
| CIE-LCH | lch(34.53, 60.19, 292.57°) |
| OKLab | oklab(44.41% -0.0133 -0.1603) |
| OKLCH | oklch(44.41% 0.161 265.3) |
| XYZ | xyz(10.6336, 8.2680, 39.5556) |
| Luminance | 0.0827 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 2.19
Sapphire
#0F52BA
ΔE00 3.64
Cobalt (survey)
#1E488F
ΔE00 4.37
Blue Blue
#2242C7
ΔE00 4.89
Sapphire (survey)
#2138AB
ΔE00 5.73
Dusk Blue
#26538D
ΔE00 5.94
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#274AAB #AB8827
analogous
#278CAB #274AAB #4627AB
triadic
#274AAB #AB274A #4AAB27
tetradic
#274AAB #AB278C #AB8827 #27AB46
square
#274AAB #AB278C #AB8827 #27AB46
split-complementary
#274AAB #AB4627 #8CAB27
monochromatic
#101F47 #1C3479 #274AAB #3D64D3 #6E8CDE
Accessibility & contrast
On white
7.91
#274AAB on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.65
#274AAB on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #274AAB
7.91:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##274AAB | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##274AAB | 1.00 | 7.91 | 2.65 | 7.91 |
| #FFFFFF | 7.91 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.65 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.91 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0058AE
Deuteranopia (green-blind)
#004BA9
Tritanopia (blue-blind)
#006273
Achromatopsia (no color)
#515151
Design tokens & code
CSS
--color: #274aab; /* rgb */ color: rgb(39, 74, 171); /* oklch */ color: oklch(44.4% 0.161 265.3);
Tailwind
colors: {
custom: {
50: '#757cc5',
500: '#274aab',
950: '#000000',
},
}SCSS
$custom: #274aab; $custom-light: #757cc5; $custom-dark: #000000;
JSON
{
"hex": "#274aab",
"rgb": {
"r": 39,
"g": 74,
"b": 171
},
"hsl": {
"h": 224.091,
"s": 62.857,
"l": 41.176
},
"oklch": {
"l": 0.44408,
"c": 0.1609,
"h": 265.3
},
"luminance": 0.08269
}Semantic roles & 50–950 ramp
primary
#274AAB
secondary
#C5AC69
accent
#BA42E6
background
#F7F7FC
surface
#EEEEF8
border
#C9C9D1
text
#0A0913
muted
#7C7B82