#273E83#273E83
#273E83 is a dark, moderate blue. Relative luminance 0.055; OKLCH L 38.6% C 0.119 H 266.8°. Best body text is #FFFFFF at 9.99:1 contrast (WCAG AA passes).
Color values
| HEX | #273E83 |
|---|---|
| RGB | rgb(39, 62, 131) |
| HSL | hsl(225, 54%, 33%) |
| HSV | hsv(225, 70%, 51%) |
| CMYK | cmyk(70.2%, 52.7%, 0%, 48.6%) |
| CIE-LAB | lab(28.15, 15.76, -41.56) |
| CIE-LCH | lch(28.15, 44.44, 290.77°) |
| OKLab | oklab(38.63% -0.0066 -0.1193) |
| OKLCH | oklch(38.63% 0.119 266.8) |
| XYZ | xyz(6.6546, 5.5146, 22.1821) |
| Luminance | 0.0551 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 4.20
Darkish Blue
#014182
ΔE00 4.49
Twilight Blue
#0A437A
ΔE00 5.37
Marine Blue
#01386A
ΔE00 5.82
Blueberry
#464196
ΔE00 6.18
Cobalt
#0047AB
ΔE00 6.33
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#273E83 #836C27
analogous
#276C83 #273E83 #3E2783
triadic
#273E83 #83273E #3E8327
tetradic
#273E83 #83276C #836C27 #27833E
square
#273E83 #83276C #836C27 #27833E
split-complementary
#273E83 #833E27 #6C8327
monochromatic
#0B1125 #192854 #273E83 #3554B2 #5775CD
Accessibility & contrast
On white
9.99
#273E83 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.10
#273E83 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #273E83
9.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##273E83 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##273E83 | 1.00 | 9.99 | 2.10 | 9.99 |
| #FFFFFF | 9.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.10 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#154785
Deuteranopia (green-blind)
#003E82
Tritanopia (blue-blind)
#004E5A
Achromatopsia (no color)
#424242
Design tokens & code
CSS
--color: #273e83; /* rgb */ color: rgb(39, 62, 131); /* oklch */ color: oklch(38.6% 0.119 266.8);
Tailwind
colors: {
custom: {
50: '#6d72a8',
500: '#273e83',
950: '#000000',
},
}SCSS
$custom: #273e83; $custom-light: #6d72a8; $custom-dark: #000000;
JSON
{
"hex": "#273e83",
"rgb": {
"r": 39,
"g": 62,
"b": 131
},
"hsl": {
"h": 225,
"s": 54.118,
"l": 33.333
},
"oklch": {
"l": 0.38634,
"c": 0.11949,
"h": 266.8
},
"luminance": 0.05515
}Semantic roles & 50–950 ramp
primary
#273E83
secondary
#B29A54
accent
#B94ADD
background
#F6F6FA
surface
#ECECF4
border
#C7C7CE
text
#08080F
muted
#7B7B7F