#1C2FA9#1C2FA9
#1C2FA9 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.8% C 0.193 H 267.8°. Best body text is #FFFFFF at 10.35:1 contrast (WCAG AA passes).
Color values
| HEX | #1C2FA9 |
|---|---|
| RGB | rgb(28, 47, 169) |
| HSL | hsl(232, 72%, 39%) |
| HSV | hsv(232, 83%, 66%) |
| CMYK | cmyk(83.4%, 72.2%, 0%, 33.7%) |
| CIE-LAB | lab(27.14, 39.00, -66.51) |
| CIE-LCH | lch(27.14, 77.10, 300.38°) |
| OKLab | oklab(38.78% -0.0074 -0.1928) |
| OKLCH | oklch(38.78% 0.193 267.8) |
| XYZ | xyz(8.6544, 5.1434, 38.0651) |
| Luminance | 0.0514 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 2.50
Indigo Blue
#3A18B1
ΔE00 5.88
Royal
#0C1793
ΔE00 6.31
Blue Blue
#2242C7
ΔE00 6.45
True Blue
#010FCC
ΔE00 6.73
Cobalt Blue
#030AA7
ΔE00 7.06
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C2FA9 #A9961C
analogous
#1C75A9 #1C2FA9 #4F1CA9
triadic
#1C2FA9 #A91C2F #2FA91C
tetradic
#1C2FA9 #A91C75 #A9961C #1CA94F
square
#1C2FA9 #A91C75 #A9961C #1CA94F
split-complementary
#1C2FA9 #A94F1C #75A91C
monochromatic
#0B1240 #132074 #1C2FA9 #273FDB #5B6EE4
Accessibility & contrast
On white
10.35
#1C2FA9 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.03
#1C2FA9 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1C2FA9
10.35:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C2FA9 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C2FA9 | 1.00 | 10.35 | 2.03 | 10.35 |
| #FFFFFF | 10.35 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.03 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.35 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0047AD
Deuteranopia (green-blind)
#0039A7
Tritanopia (blue-blind)
#005269
Achromatopsia (no color)
#404040
Design tokens & code
CSS
--color: #1c2fa9; /* rgb */ color: rgb(28, 47, 169); /* oklch */ color: oklch(38.8% 0.193 267.8);
Tailwind
colors: {
custom: {
50: '#7468c4',
500: '#1c2fa9',
950: '#000000',
},
}SCSS
$custom: #1c2fa9; $custom-light: #7468c4; $custom-dark: #000000;
JSON
{
"hex": "#1c2fa9",
"rgb": {
"r": 28,
"g": 47,
"b": 169
},
"hsl": {
"h": 231.915,
"s": 71.574,
"l": 38.627
},
"oklch": {
"l": 0.38779,
"c": 0.19292,
"h": 267.8
},
"luminance": 0.05144
}Semantic roles & 50–950 ramp
primary
#1C2FA9
secondary
#C8B959
accent
#D639EE
background
#F7F6FC
surface
#EEEBF8
border
#C9C6D1
text
#0A0613
muted
#7C7A82