#234AB4#234AB4
#234AB4 is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.0% C 0.174 H 264.8°. Best body text is #FFFFFF at 7.75:1 contrast (WCAG AA passes).
Color values
| HEX | #234AB4 |
|---|---|
| RGB | rgb(35, 74, 180) |
| HSL | hsl(224, 67%, 42%) |
| HSV | hsv(224, 81%, 71%) |
| CMYK | cmyk(80.6%, 58.9%, 0%, 29.4%) |
| CIE-LAB | lab(35.10, 26.15, -60.01) |
| CIE-LCH | lch(35.10, 65.46, 293.55°) |
| OKLab | oklab(45.02% -0.0159 -0.1734) |
| OKLCH | oklch(45.02% 0.174 264.8) |
| XYZ | xyz(11.3772, 8.5488, 44.2216) |
| Luminance | 0.0855 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 2.53
Sapphire
#0F52BA
ΔE00 3.32
Blue Blue
#2242C7
ΔE00 3.93
Cobalt (survey)
#1E488F
ΔE00 5.43
Sapphire (survey)
#2138AB
ΔE00 5.66
Blue (survey)
#0343DF
ΔE00 5.88
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#234AB4 #B48D23
analogous
#2393B4 #234AB4 #4423B4
triadic
#234AB4 #B4234A #4AB423
tetradic
#234AB4 #B42393 #B48D23 #23B444
square
#234AB4 #B42393 #B48D23 #23B444
split-complementary
#234AB4 #B44423 #93B423
monochromatic
#0F204E #193581 #234AB4 #3B66D9 #6E8EE3
Accessibility & contrast
On white
7.75
#234AB4 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.71
#234AB4 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #234AB4
7.75:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##234AB4 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##234AB4 | 1.00 | 7.75 | 2.71 | 7.75 |
| #FFFFFF | 7.75 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.71 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.75 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0059B8
Deuteranopia (green-blind)
#004CB2
Tritanopia (blue-blind)
#006577
Achromatopsia (no color)
#535353
Design tokens & code
CSS
--color: #234ab4; /* rgb */ color: rgb(35, 74, 180); /* oklch */ color: oklch(45.0% 0.174 264.8);
Tailwind
colors: {
custom: {
50: '#767ccb',
500: '#234ab4',
950: '#000000',
},
}SCSS
$custom: #234ab4; $custom-light: #767ccb; $custom-dark: #000000;
JSON
{
"hex": "#234ab4",
"rgb": {
"r": 35,
"g": 74,
"b": 180
},
"hsl": {
"h": 223.862,
"s": 67.442,
"l": 42.157
},
"oklch": {
"l": 0.45015,
"c": 0.17416,
"h": 264.8
},
"luminance": 0.0855
}Semantic roles & 50–950 ramp
primary
#234AB4
secondary
#C9B069
accent
#BC3DEA
background
#F7F7FC
surface
#EEEEF9
border
#C9C9D2
text
#0A0913
muted
#7C7B82