#1343B4#1343B4
#1343B4 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.2% C 0.186 H 263.3°. Best body text is #FFFFFF at 8.44:1 contrast (WCAG AA passes).
Color values
| HEX | #1343B4 |
|---|---|
| RGB | rgb(19, 67, 180) |
| HSL | hsl(222, 81%, 39%) |
| HSV | hsv(222, 89%, 71%) |
| CMYK | cmyk(89.4%, 62.8%, 0%, 29.4%) |
| CIE-LAB | lab(32.80, 29.64, -63.78) |
| CIE-LCH | lch(32.80, 70.33, 294.92°) |
| OKLab | oklab(43.17% -0.0218 -0.1848) |
| OKLCH | oklch(43.17% 0.186 263.3) |
| XYZ | xyz(10.5110, 7.4467, 44.0545) |
| Luminance | 0.0745 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 2.65
Blue Blue
#2242C7
ΔE00 3.21
Sapphire (survey)
#2138AB
ΔE00 3.78
Sapphire
#0F52BA
ΔE00 5.10
Blue (survey)
#0343DF
ΔE00 5.63
Cobalt (survey)
#1E488F
ΔE00 5.80
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1343B4 #B48413
analogous
#1394B4 #1343B4 #3413B4
triadic
#1343B4 #B41343 #43B413
tetradic
#1343B4 #B41394 #B48413 #13B434
square
#1343B4 #B41394 #B48413 #13B434
split-complementary
#1343B4 #B43413 #94B413
monochromatic
#071A45 #0D2E7D #1343B4 #1D59E7 #5482ED
Accessibility & contrast
On white
8.44
#1343B4 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.49
#1343B4 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1343B4
8.44:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1343B4 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1343B4 | 1.00 | 8.44 | 2.49 | 8.44 |
| #FFFFFF | 8.44 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.49 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.44 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0055B8
Deuteranopia (green-blind)
#0046B2
Tritanopia (blue-blind)
#006175
Achromatopsia (no color)
#4D4D4D
Design tokens & code
CSS
--color: #1343b4; /* rgb */ color: rgb(19, 67, 180); /* oklch */ color: oklch(43.2% 0.186 263.3);
Tailwind
colors: {
custom: {
50: '#7376cb',
500: '#1343b4',
950: '#000000',
},
}SCSS
$custom: #1343b4; $custom-light: #7376cb; $custom-dark: #000000;
JSON
{
"hex": "#1343b4",
"rgb": {
"r": 19,
"g": 67,
"b": 180
},
"hsl": {
"h": 222.112,
"s": 80.905,
"l": 39.02
},
"oklch": {
"l": 0.43171,
"c": 0.18609,
"h": 263.3
},
"luminance": 0.07448
}Semantic roles & 50–950 ramp
primary
#1343B4
secondary
#CFAA53
accent
#BC30F7
background
#F7F7FC
surface
#EEEDF9
border
#C9C8D2
text
#0A0813
muted
#7C7B82