#274AA6#274AA6
#274AA6 is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.0% C 0.154 H 264.9°. Best body text is #FFFFFF at 8.03:1 contrast (WCAG AA passes).
Color values
| HEX | #274AA6 |
|---|---|
| RGB | rgb(39, 74, 166) |
| HSL | hsl(223, 62%, 40%) |
| HSV | hsv(223, 77%, 65%) |
| CMYK | cmyk(76.5%, 55.4%, 0%, 34.9%) |
| CIE-LAB | lab(34.15, 21.17, -53.22) |
| CIE-LCH | lch(34.15, 57.27, 291.70°) |
| OKLab | oklab(44% -0.0136 -0.1534) |
| OKLCH | oklch(44% 0.154 264.9) |
| XYZ | xyz(10.1660, 8.0809, 37.0930) |
| Luminance | 0.0808 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 2.11
Cobalt (survey)
#1E488F
ΔE00 3.67
Sapphire
#0F52BA
ΔE00 3.87
Dusk Blue
#26538D
ΔE00 5.43
Blue Blue
#2242C7
ΔE00 5.56
Sapphire (survey)
#2138AB
ΔE00 5.97
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#274AA6 #A68327
analogous
#2789A6 #274AA6 #4427A6
triadic
#274AA6 #A6274A #4AA627
tetradic
#274AA6 #A62789 #A68327 #27A644
square
#274AA6 #A62789 #A68327 #27A644
split-complementary
#274AA6 #A64427 #89A627
monochromatic
#101E43 #1B3474 #274AA6 #3A63D1 #6B8ADC
Accessibility & contrast
On white
8.03
#274AA6 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.62
#274AA6 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #274AA6
8.03:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##274AA6 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##274AA6 | 1.00 | 8.03 | 2.62 | 8.03 |
| #FFFFFF | 8.03 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.62 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.03 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0056A9
Deuteranopia (green-blind)
#004BA4
Tritanopia (blue-blind)
#006170
Achromatopsia (no color)
#505050
Design tokens & code
CSS
--color: #274aa6; /* rgb */ color: rgb(39, 74, 166); /* oklch */ color: oklch(44.0% 0.154 264.9);
Tailwind
colors: {
custom: {
50: '#747cc1',
500: '#274aa6',
950: '#000000',
},
}SCSS
$custom: #274aa6; $custom-light: #747cc1; $custom-dark: #000000;
JSON
{
"hex": "#274aa6",
"rgb": {
"r": 39,
"g": 74,
"b": 166
},
"hsl": {
"h": 223.465,
"s": 61.951,
"l": 40.196
},
"oklch": {
"l": 0.43998,
"c": 0.15401,
"h": 264.9
},
"luminance": 0.08082
}Semantic roles & 50–950 ramp
primary
#274AA6
secondary
#C3A966
accent
#B843E5
background
#F7F7FC
surface
#EEEDF8
border
#C9C8D1
text
#090912
muted
#7B7B81