#1746B4#1746B4
#1746B4 is a dark, vivid blue. Relative luminance 0.079; OKLCH L 43.9% C 0.182 H 263.3°. Best body text is #FFFFFF at 8.17:1 contrast (WCAG AA passes).
Color values
| HEX | #1746B4 |
|---|---|
| RGB | rgb(23, 70, 180) |
| HSL | hsl(222, 77%, 40%) |
| HSV | hsv(222, 87%, 71%) |
| CMYK | cmyk(87.2%, 61.1%, 0%, 29.4%) |
| CIE-LAB | lab(33.68, 27.87, -62.34) |
| CIE-LCH | lch(33.68, 68.29, 294.09°) |
| OKLab | oklab(43.85% -0.0212 -0.1805) |
| OKLCH | oklch(43.85% 0.182 263.3) |
| XYZ | xyz(10.7788, 7.8564, 44.1195) |
| Luminance | 0.0786 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 2.15
Blue Blue
#2242C7
ΔE00 3.52
Sapphire
#0F52BA
ΔE00 4.20
Sapphire (survey)
#2138AB
ΔE00 4.65
Cobalt (survey)
#1E488F
ΔE00 5.43
Blue (survey)
#0343DF
ΔE00 5.73
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1746B4 #B48517
analogous
#1795B4 #1746B4 #3617B4
triadic
#1746B4 #B41746 #46B417
tetradic
#1746B4 #B41795 #B48517 #17B436
square
#1746B4 #B41795 #B48517 #17B436
split-complementary
#1746B4 #B43617 #95B417
monochromatic
#091C47 #10317E #1746B4 #255EE3 #5B86EA
Accessibility & contrast
On white
8.17
#1746B4 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.57
#1746B4 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1746B4
8.17:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1746B4 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1746B4 | 1.00 | 8.17 | 2.57 | 8.17 |
| #FFFFFF | 8.17 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.57 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.17 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0057B8
Deuteranopia (green-blind)
#0048B2
Tritanopia (blue-blind)
#006376
Achromatopsia (no color)
#4F4F4F
Design tokens & code
CSS
--color: #1746b4; /* rgb */ color: rgb(23, 70, 180); /* oklch */ color: oklch(43.9% 0.182 263.3);
Tailwind
colors: {
custom: {
50: '#7478cb',
500: '#1746b4',
950: '#000000',
},
}SCSS
$custom: #1746b4; $custom-light: #7478cb; $custom-dark: #000000;
JSON
{
"hex": "#1746b4",
"rgb": {
"r": 23,
"g": 70,
"b": 180
},
"hsl": {
"h": 222.038,
"s": 77.34,
"l": 39.804
},
"oklch": {
"l": 0.43853,
"c": 0.18173,
"h": 263.3
},
"luminance": 0.07858
}Semantic roles & 50–950 ramp
primary
#1746B4
secondary
#CEAB59
accent
#BA34F4
background
#F7F7FC
surface
#EEEDF9
border
#C9C8D2
text
#0A0913
muted
#7C7B82