#1C4286#1C4286
#1C4286 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.3% C 0.122 H 261.0°. Best body text is #FFFFFF at 9.66:1 contrast (WCAG AA passes).
Color values
| HEX | #1C4286 |
|---|---|
| RGB | rgb(28, 66, 134) |
| HSL | hsl(218, 65%, 32%) |
| HSV | hsv(218, 79%, 53%) |
| CMYK | cmyk(79.1%, 50.7%, 0%, 47.5%) |
| CIE-LAB | lab(29.07, 12.59, -41.97) |
| CIE-LCH | lch(29.07, 43.82, 286.69°) |
| OKLab | oklab(39.27% -0.0192 -0.1207) |
| OKLCH | oklch(39.27% 0.122 261) |
| XYZ | xyz(6.7286, 5.8638, 23.3268) |
| Luminance | 0.0587 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 2.15
Darkish Blue
#014182
ΔE00 2.29
Twilight Blue
#0A437A
ΔE00 3.24
Prussian Blue
#004577
ΔE00 4.82
Cobalt
#0047AB
ΔE00 5.00
Marine Blue
#01386A
ΔE00 5.06
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C4286 #86601C
analogous
#1C7786 #1C4286 #2B1C86
triadic
#1C4286 #861C42 #42861C
tetradic
#1C4286 #861C77 #86601C #1C862B
square
#1C4286 #861C77 #86601C #1C862B
split-complementary
#1C4286 #862B1C #77861C
monochromatic
#071021 #112953 #1C4286 #275BB9 #4479D8
Accessibility & contrast
On white
9.66
#1C4286 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.17
#1C4286 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1C4286
9.66:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C4286 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C4286 | 1.00 | 9.66 | 2.17 | 9.66 |
| #FFFFFF | 9.66 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.17 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.66 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#1A4A88
Deuteranopia (green-blind)
#004085
Tritanopia (blue-blind)
#00525D
Achromatopsia (no color)
#444444
Design tokens & code
CSS
--color: #1c4286; /* rgb */ color: rgb(28, 66, 134); /* oklch */ color: oklch(39.3% 0.122 261.0);
Tailwind
colors: {
custom: {
50: '#6975aa',
500: '#1c4286',
950: '#000000',
},
}SCSS
$custom: #1c4286; $custom-light: #6975aa; $custom-dark: #000000;
JSON
{
"hex": "#1c4286",
"rgb": {
"r": 28,
"g": 66,
"b": 134
},
"hsl": {
"h": 218.491,
"s": 65.432,
"l": 31.765
},
"oklch": {
"l": 0.39265,
"c": 0.12218,
"h": 261
},
"luminance": 0.05865
}Semantic roles & 50–950 ramp
primary
#1C4286
secondary
#B98F45
accent
#AC3FE8
background
#F6F7FA
surface
#ECEDF4
border
#C7C8CE
text
#070810
muted
#7A7B7F