#234FBA#234FBA
#234FBA is a mid, vivid blue. Relative luminance 0.095; OKLCH L 46.5% C 0.176 H 263.9°. Best body text is #FFFFFF at 7.24:1 contrast (WCAG AA passes).
Color values
| HEX | #234FBA |
|---|---|
| RGB | rgb(35, 79, 186) |
| HSL | hsl(223, 68%, 43%) |
| HSV | hsv(223, 81%, 73%) |
| CMYK | cmyk(81.2%, 57.5%, 0%, 27.1%) |
| CIE-LAB | lab(36.92, 25.15, -60.58) |
| CIE-LCH | lch(36.92, 65.60, 292.55°) |
| OKLab | oklab(46.53% -0.0188 -0.175) |
| OKLCH | oklch(46.53% 0.176 263.9) |
| XYZ | xyz(12.3489, 9.4930, 47.6263) |
| Luminance | 0.0949 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire
#0F52BA
ΔE00 1.96
Cobalt
#0047AB
ΔE00 3.51
Blue Blue
#2242C7
ΔE00 4.80
Blue (survey)
#0343DF
ΔE00 6.01
Cobalt (survey)
#1E488F
ΔE00 6.15
Dusk Blue
#26538D
ΔE00 6.41
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#234FBA #BA8E23
analogous
#239ABA #234FBA #4323BA
triadic
#234FBA #BA234F #4FBA23
tetradic
#234FBA #BA239A #BA8E23 #23BA43
square
#234FBA #BA239A #BA8E23 #23BA43
split-complementary
#234FBA #BA4323 #9ABA23
monochromatic
#102353 #193986 #234FBA #3F6DDB #7394E5
Accessibility & contrast
On white
7.24
#234FBA on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.90
#234FBA on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #234FBA
7.24:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##234FBA | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##234FBA | 1.00 | 7.24 | 2.90 | 7.24 |
| #FFFFFF | 7.24 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.90 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.24 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#005EBE
Deuteranopia (green-blind)
#0050B8
Tritanopia (blue-blind)
#006A7D
Achromatopsia (no color)
#575757
Design tokens & code
CSS
--color: #234fba; /* rgb */ color: rgb(35, 79, 186); /* oklch */ color: oklch(46.5% 0.176 263.9);
Tailwind
colors: {
custom: {
50: '#787fd0',
500: '#234fba',
950: '#000000',
},
}SCSS
$custom: #234fba; $custom-light: #787fd0; $custom-dark: #000000;
JSON
{
"hex": "#234fba",
"rgb": {
"r": 35,
"g": 79,
"b": 186
},
"hsl": {
"h": 222.517,
"s": 68.326,
"l": 43.333
},
"oklch": {
"l": 0.46528,
"c": 0.17604,
"h": 263.9
},
"luminance": 0.09494
}Semantic roles & 50–950 ramp
primary
#234FBA
secondary
#CCB06D
accent
#B83DEB
background
#F8F7FC
surface
#EFEEF9
border
#CAC9D2
text
#0A0A14
muted
#7C7C82