#274DA5#274DA5
#274DA5 is a dark, vivid blue. Relative luminance 0.085; OKLCH L 44.6% C 0.149 H 263.8°. Best body text is #FFFFFF at 7.80:1 contrast (WCAG AA passes).
Color values
| HEX | #274DA5 |
|---|---|
| RGB | rgb(39, 77, 165) |
| HSL | hsl(222, 62%, 40%) |
| HSV | hsv(222, 76%, 65%) |
| CMYK | cmyk(76.4%, 53.3%, 0%, 35.3%) |
| CIE-LAB | lab(34.91, 18.77, -51.38) |
| CIE-LCH | lch(34.91, 54.70, 290.07°) |
| OKLab | oklab(44.55% -0.0161 -0.148) |
| OKLCH | oklch(44.55% 0.149 263.8) |
| XYZ | xyz(10.2797, 8.4546, 36.6801) |
| Luminance | 0.0846 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 2.47
Sapphire
#0F52BA
ΔE00 3.23
Cobalt (survey)
#1E488F
ΔE00 3.47
Dusk Blue
#26538D
ΔE00 4.52
Denim Blue
#3B5B92
ΔE00 5.45
Light Navy
#155084
ΔE00 6.26
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#274DA5 #A57F27
analogous
#278CA5 #274DA5 #4027A5
triadic
#274DA5 #A5274D #4DA527
tetradic
#274DA5 #A5278C #A57F27 #27A540
square
#274DA5 #A5278C #A57F27 #27A540
split-complementary
#274DA5 #A54027 #8CA527
monochromatic
#101F42 #1B3674 #274DA5 #3967D0 #6A8DDC
Accessibility & contrast
On white
7.80
#274DA5 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.69
#274DA5 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #274DA5
7.80:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##274DA5 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##274DA5 | 1.00 | 7.80 | 2.69 | 7.80 |
| #FFFFFF | 7.80 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.69 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.80 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0D58A8
Deuteranopia (green-blind)
#004DA3
Tritanopia (blue-blind)
#006271
Achromatopsia (no color)
#525252
Design tokens & code
CSS
--color: #274da5; /* rgb */ color: rgb(39, 77, 165); /* oklch */ color: oklch(44.6% 0.149 263.8);
Tailwind
colors: {
custom: {
50: '#747ec0',
500: '#274da5',
950: '#000000',
},
}SCSS
$custom: #274da5; $custom-light: #747ec0; $custom-dark: #000000;
JSON
{
"hex": "#274da5",
"rgb": {
"r": 39,
"g": 77,
"b": 165
},
"hsl": {
"h": 221.905,
"s": 61.765,
"l": 40
},
"oklch": {
"l": 0.44551,
"c": 0.14883,
"h": 263.8
},
"luminance": 0.08456
}Semantic roles & 50–950 ramp
primary
#274DA5
secondary
#C2A666
accent
#B443E5
background
#F7F7FB
surface
#EEEEF7
border
#C9C9D0
text
#090912
muted
#7B7B81