#2453B4#2453B4
#2453B4 is a mid, vivid blue. Relative luminance 0.099; OKLCH L 46.9% C 0.163 H 262.5°. Best body text is #FFFFFF at 7.07:1 contrast (WCAG AA passes).
Color values
| HEX | #2453B4 |
|---|---|
| RGB | rgb(36, 83, 180) |
| HSL | hsl(220, 67%, 42%) |
| HSV | hsv(220, 80%, 71%) |
| CMYK | cmyk(80%, 53.9%, 0%, 29.4%) |
| CIE-LAB | lab(37.58, 20.27, -55.97) |
| CIE-LCH | lch(37.58, 59.53, 289.91°) |
| OKLab | oklab(46.9% -0.0213 -0.1614) |
| OKLCH | oklch(46.9% 0.163 262.5) |
| XYZ | xyz(12.0561, 9.8554, 44.4381) |
| Luminance | 0.0986 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire
#0F52BA
ΔE00 1.17
Cobalt
#0047AB
ΔE00 4.01
Denim
#1560BD
ΔE00 5.07
Dusk Blue
#26538D
ΔE00 5.17
Denim Blue
#3B5B92
ΔE00 5.20
Cobalt (survey)
#1E488F
ΔE00 5.76
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2453B4 #B48524
analogous
#249BB4 #2453B4 #3D24B4
triadic
#2453B4 #B42453 #53B424
tetradic
#2453B4 #B4249B #B48524 #24B43D
square
#2453B4 #B4249B #B48524 #24B43D
split-complementary
#2453B4 #B43D24 #9BB424
monochromatic
#10244E #1A3B81 #2453B4 #3D70D8 #7095E2
Accessibility & contrast
On white
7.07
#2453B4 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.97
#2453B4 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2453B4
7.07:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2453B4 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2453B4 | 1.00 | 7.07 | 2.97 | 7.07 |
| #FFFFFF | 7.07 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.97 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.07 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#015FB7
Deuteranopia (green-blind)
#0052B2
Tritanopia (blue-blind)
#006B7B
Achromatopsia (no color)
#585858
Design tokens & code
CSS
--color: #2453b4; /* rgb */ color: rgb(36, 83, 180); /* oklch */ color: oklch(46.9% 0.163 262.5);
Tailwind
colors: {
custom: {
50: '#7682cb',
500: '#2453b4',
950: '#000000',
},
}SCSS
$custom: #2453b4; $custom-light: #7682cb; $custom-dark: #000000;
JSON
{
"hex": "#2453b4",
"rgb": {
"r": 36,
"g": 83,
"b": 180
},
"hsl": {
"h": 220.417,
"s": 66.667,
"l": 42.353
},
"oklch": {
"l": 0.46896,
"c": 0.16278,
"h": 262.5
},
"luminance": 0.09857
}Semantic roles & 50–950 ramp
primary
#2453B4
secondary
#C9AA6B
accent
#B23EEA
background
#F7F7FC
surface
#EEEEF9
border
#C9C9D2
text
#0A0A13
muted
#7C7C82