#274CA5#274CA5
#274CA5 is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.3% C 0.150 H 264.2°. Best body text is #FFFFFF at 7.88:1 contrast (WCAG AA passes).
Color values
| HEX | #274CA5 |
|---|---|
| RGB | rgb(39, 76, 165) |
| HSL | hsl(222, 62%, 40%) |
| HSV | hsv(222, 76%, 65%) |
| CMYK | cmyk(76.4%, 53.9%, 0%, 35.3%) |
| CIE-LAB | lab(34.63, 19.44, -51.84) |
| CIE-LCH | lch(34.63, 55.36, 290.56°) |
| OKLab | oklab(44.34% -0.0153 -0.1493) |
| OKLCH | oklch(44.34% 0.15 264.2) |
| XYZ | xyz(10.2103, 8.3157, 36.6570) |
| Luminance | 0.0832 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 2.30
Sapphire
#0F52BA
ΔE00 3.45
Cobalt (survey)
#1E488F
ΔE00 3.46
Dusk Blue
#26538D
ΔE00 4.78
Denim Blue
#3B5B92
ΔE00 5.74
Blue Blue
#2242C7
ΔE00 6.11
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#274CA5 #A58027
analogous
#278BA5 #274CA5 #4127A5
triadic
#274CA5 #A5274C #4CA527
tetradic
#274CA5 #A5278B #A58027 #27A541
square
#274CA5 #A5278B #A58027 #27A541
split-complementary
#274CA5 #A54127 #8BA527
monochromatic
#101E42 #1B3574 #274CA5 #3965D0 #6A8CDC
Accessibility & contrast
On white
7.88
#274CA5 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.66
#274CA5 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #274CA5
7.88:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##274CA5 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##274CA5 | 1.00 | 7.88 | 2.66 | 7.88 |
| #FFFFFF | 7.88 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.66 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.88 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0758A8
Deuteranopia (green-blind)
#004CA3
Tritanopia (blue-blind)
#006271
Achromatopsia (no color)
#515151
Design tokens & code
CSS
--color: #274ca5; /* rgb */ color: rgb(39, 76, 165); /* oklch */ color: oklch(44.3% 0.150 264.2);
Tailwind
colors: {
custom: {
50: '#747dc0',
500: '#274ca5',
950: '#000000',
},
}SCSS
$custom: #274ca5; $custom-light: #747dc0; $custom-dark: #000000;
JSON
{
"hex": "#274ca5",
"rgb": {
"r": 39,
"g": 76,
"b": 165
},
"hsl": {
"h": 222.381,
"s": 61.765,
"l": 40
},
"oklch": {
"l": 0.44338,
"c": 0.15009,
"h": 264.2
},
"luminance": 0.08317
}Semantic roles & 50–950 ramp
primary
#274CA5
secondary
#C2A766
accent
#B543E5
background
#F7F7FB
surface
#EEEEF7
border
#C9C9D0
text
#090912
muted
#7B7B81