#234FB2#234FB2
#234FB2 is a mid, vivid blue. Relative luminance 0.092; OKLCH L 45.9% C 0.165 H 263.3°. Best body text is #FFFFFF at 7.41:1 contrast (WCAG AA passes).
Color values
| HEX | #234FB2 |
|---|---|
| RGB | rgb(35, 79, 178) |
| HSL | hsl(222, 67%, 42%) |
| HSV | hsv(222, 80%, 70%) |
| CMYK | cmyk(80.3%, 55.6%, 0%, 30.2%) |
| CIE-LAB | lab(36.29, 22.05, -56.88) |
| CIE-LCH | lch(36.29, 61.00, 291.19°) |
| OKLab | oklab(45.86% -0.0193 -0.1642) |
| OKLCH | oklch(45.86% 0.165 263.3) |
| XYZ | xyz(11.5221, 9.1623, 43.2721) |
| Luminance | 0.0916 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire
#0F52BA
ΔE00 1.81
Cobalt
#0047AB
ΔE00 2.90
Cobalt (survey)
#1E488F
ΔE00 5.10
Dusk Blue
#26538D
ΔE00 5.42
Blue Blue
#2242C7
ΔE00 5.55
Denim Blue
#3B5B92
ΔE00 5.87
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#234FB2 #B28623
analogous
#2397B2 #234FB2 #3E23B2
triadic
#234FB2 #B2234F #4FB223
tetradic
#234FB2 #B22397 #B28623 #23B23E
square
#234FB2 #B22397 #B28623 #23B23E
split-complementary
#234FB2 #B23E23 #97B223
monochromatic
#0F224C #19387F #234FB2 #3A6BD8 #6D91E2
Accessibility & contrast
On white
7.41
#234FB2 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.83
#234FB2 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #234FB2
7.41:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##234FB2 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##234FB2 | 1.00 | 7.41 | 2.83 | 7.41 |
| #FFFFFF | 7.41 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.83 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.41 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#005CB5
Deuteranopia (green-blind)
#004FB0
Tritanopia (blue-blind)
#006878
Achromatopsia (no color)
#555555
Design tokens & code
CSS
--color: #234fb2; /* rgb */ color: rgb(35, 79, 178); /* oklch */ color: oklch(45.9% 0.165 263.3);
Tailwind
colors: {
custom: {
50: '#767fca',
500: '#234fb2',
950: '#000000',
},
}SCSS
$custom: #234fb2; $custom-light: #767fca; $custom-dark: #000000;
JSON
{
"hex": "#234fb2",
"rgb": {
"r": 35,
"g": 79,
"b": 178
},
"hsl": {
"h": 221.538,
"s": 67.136,
"l": 41.765
},
"oklch": {
"l": 0.45864,
"c": 0.16529,
"h": 263.3
},
"luminance": 0.09164
}Semantic roles & 50–950 ramp
primary
#234FB2
secondary
#C9AB68
accent
#B53EEA
background
#F7F7FC
surface
#EEEEF8
border
#C9C9D1
text
#0A0A13
muted
#7C7C82