#1C368D#1C368D
#1C368D is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.3% C 0.148 H 266.3°. Best body text is #FFFFFF at 10.71:1 contrast (WCAG AA passes).
Color values
| HEX | #1C368D |
|---|---|
| RGB | rgb(28, 54, 141) |
| HSL | hsl(226, 67%, 33%) |
| HSV | hsv(226, 80%, 55%) |
| CMYK | cmyk(80.1%, 61.7%, 0%, 44.7%) |
| CIE-LAB | lab(26.18, 23.75, -51.00) |
| CIE-LCH | lch(26.18, 56.26, 294.97°) |
| OKLab | oklab(37.26% -0.0095 -0.1474) |
| OKLCH | oklch(37.26% 0.148 266.3) |
| XYZ | xyz(6.6041, 4.8075, 25.7740) |
| Luminance | 0.0481 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 4.55
Blueberry
#464196
ΔE00 6.24
Darkish Blue
#014182
ΔE00 6.25
Cobalt (survey)
#1E488F
ΔE00 6.33
Cobalt
#0047AB
ΔE00 6.66
Darkslateblue
#483D8B
ΔE00 6.80
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C368D #8D731C
analogous
#1C6E8D #1C368D #3B1C8D
triadic
#1C368D #8D1C36 #368D1C
tetradic
#1C368D #8D1C6E #8D731C #1C8D3B
square
#1C368D #8D1C6E #8D731C #1C8D3B
split-complementary
#1C368D #8D3B1C #6E8D1C
monochromatic
#080F27 #12225A #1C368D #264AC0 #496ADB
Accessibility & contrast
On white
10.71
#1C368D on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.96
#1C368D on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1C368D
10.71:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C368D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C368D | 1.00 | 10.71 | 1.96 | 10.71 |
| #FFFFFF | 10.71 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.96 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.71 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004390
Deuteranopia (green-blind)
#00398B
Tritanopia (blue-blind)
#004C5C
Achromatopsia (no color)
#3E3E3E
Design tokens & code
CSS
--color: #1c368d; /* rgb */ color: rgb(28, 54, 141); /* oklch */ color: oklch(37.3% 0.148 266.3);
Tailwind
colors: {
custom: {
50: '#6c6caf',
500: '#1c368d',
950: '#000000',
},
}SCSS
$custom: #1c368d; $custom-light: #6c6caf; $custom-dark: #000000;
JSON
{
"hex": "#1c368d",
"rgb": {
"r": 28,
"g": 54,
"b": 141
},
"hsl": {
"h": 226.195,
"s": 66.864,
"l": 33.137
},
"oklch": {
"l": 0.37258,
"c": 0.14771,
"h": 266.3
},
"luminance": 0.04808
}Semantic roles & 50–950 ramp
primary
#1C368D
secondary
#BDA248
accent
#C23EEA
background
#F7F6FA
surface
#EDEBF5
border
#C8C6CF
text
#080710
muted
#7B7A7F