#1143B4#1143B4
#1143B4 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.1% C 0.186 H 263.0°. Best body text is #FFFFFF at 8.45:1 contrast (WCAG AA passes).
Color values
| HEX | #1143B4 |
|---|---|
| RGB | rgb(17, 67, 180) |
| HSL | hsl(222, 83%, 39%) |
| HSV | hsv(222, 91%, 71%) |
| CMYK | cmyk(90.6%, 62.8%, 0%, 29.4%) |
| CIE-LAB | lab(32.76, 29.54, -63.85) |
| CIE-LCH | lch(32.76, 70.35, 294.82°) |
| OKLab | oklab(43.13% -0.0227 -0.185) |
| OKLCH | oklch(43.13% 0.186 263) |
| XYZ | xyz(10.4736, 7.4274, 44.0528) |
| Luminance | 0.0743 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 2.58
Blue Blue
#2242C7
ΔE00 3.27
Sapphire (survey)
#2138AB
ΔE00 3.82
Sapphire
#0F52BA
ΔE00 5.07
Blue (survey)
#0343DF
ΔE00 5.66
Cobalt (survey)
#1E488F
ΔE00 5.76
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1143B4 #B48211
analogous
#1194B4 #1143B4 #3011B4
triadic
#1143B4 #B41143 #43B411
tetradic
#1143B4 #B41194 #B48211 #11B430
square
#1143B4 #B41194 #B48211 #11B430
split-complementary
#1143B4 #B43011 #94B411
monochromatic
#061944 #0C2E7C #1143B4 #1959E9 #5181EF
Accessibility & contrast
On white
8.45
#1143B4 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.49
#1143B4 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1143B4
8.45:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1143B4 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1143B4 | 1.00 | 8.45 | 2.49 | 8.45 |
| #FFFFFF | 8.45 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.49 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.45 | 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: #1143b4; /* rgb */ color: rgb(17, 67, 180); /* oklch */ color: oklch(43.1% 0.186 263.0);
Tailwind
colors: {
custom: {
50: '#7376cb',
500: '#1143b4',
950: '#000000',
},
}SCSS
$custom: #1143b4; $custom-light: #7376cb; $custom-dark: #000000;
JSON
{
"hex": "#1143b4",
"rgb": {
"r": 17,
"g": 67,
"b": 180
},
"hsl": {
"h": 221.595,
"s": 82.741,
"l": 38.627
},
"oklch": {
"l": 0.43128,
"c": 0.18642,
"h": 263
},
"luminance": 0.07429
}Semantic roles & 50–950 ramp
primary
#1143B4
secondary
#D0A950
accent
#BB2FF9
background
#F7F7FC
surface
#EEEDF9
border
#C9C8D2
text
#0A0813
muted
#7C7B82