#1744B4#1744B4
#1744B4 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.5% C 0.184 H 263.7°. Best body text is #FFFFFF at 8.33:1 contrast (WCAG AA passes).
Color values
| HEX | #1744B4 |
|---|---|
| RGB | rgb(23, 68, 180) |
| HSL | hsl(223, 77%, 40%) |
| HSV | hsv(223, 87%, 71%) |
| CMYK | cmyk(87.2%, 62.2%, 0%, 29.4%) |
| CIE-LAB | lab(33.16, 29.21, -63.20) |
| CIE-LCH | lch(33.16, 69.62, 294.80°) |
| OKLab | oklab(43.46% -0.0202 -0.183) |
| OKLCH | oklch(43.46% 0.184 263.7) |
| XYZ | xyz(10.6557, 7.6103, 44.0785) |
| Luminance | 0.0761 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 2.57
Blue Blue
#2242C7
ΔE00 3.19
Sapphire (survey)
#2138AB
ΔE00 4.00
Sapphire
#0F52BA
ΔE00 4.85
Blue (survey)
#0343DF
ΔE00 5.60
Cobalt (survey)
#1E488F
ΔE00 5.73
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1744B4 #B48717
analogous
#1792B4 #1744B4 #3917B4
triadic
#1744B4 #B41744 #44B417
tetradic
#1744B4 #B41792 #B48717 #17B439
square
#1744B4 #B41792 #B48717 #17B439
split-complementary
#1744B4 #B43917 #92B417
monochromatic
#091B47 #102F7E #1744B4 #255CE3 #5B84EA
Accessibility & contrast
On white
8.33
#1744B4 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.52
#1744B4 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1744B4
8.33:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1744B4 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1744B4 | 1.00 | 8.33 | 2.52 | 8.33 |
| #FFFFFF | 8.33 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.52 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.33 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0055B8
Deuteranopia (green-blind)
#0047B2
Tritanopia (blue-blind)
#006175
Achromatopsia (no color)
#4E4E4E
Design tokens & code
CSS
--color: #1744b4; /* rgb */ color: rgb(23, 68, 180); /* oklch */ color: oklch(43.5% 0.184 263.7);
Tailwind
colors: {
custom: {
50: '#7477cb',
500: '#1744b4',
950: '#000000',
},
}SCSS
$custom: #1744b4; $custom-light: #7477cb; $custom-dark: #000000;
JSON
{
"hex": "#1744b4",
"rgb": {
"r": 23,
"g": 68,
"b": 180
},
"hsl": {
"h": 222.803,
"s": 77.34,
"l": 39.804
},
"oklch": {
"l": 0.43462,
"c": 0.18415,
"h": 263.7
},
"luminance": 0.07612
}Semantic roles & 50–950 ramp
primary
#1744B4
secondary
#CEAC59
accent
#BD34F4
background
#F7F7FC
surface
#EEEDF9
border
#C9C8D2
text
#0A0813
muted
#7C7B82