#1C368C#1C368C
#1C368C is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.2% C 0.146 H 266.3°. Best body text is #FFFFFF at 10.74:1 contrast (WCAG AA passes).
Color values
| HEX | #1C368C |
|---|---|
| RGB | rgb(28, 54, 140) |
| HSL | hsl(226, 67%, 33%) |
| HSV | hsv(226, 80%, 55%) |
| CMYK | cmyk(80%, 61.4%, 0%, 45.1%) |
| CIE-LAB | lab(26.09, 23.35, -50.52) |
| CIE-LCH | lch(26.09, 55.65, 294.81°) |
| OKLab | oklab(37.17% -0.0095 -0.146) |
| OKLCH | oklch(37.17% 0.146 266.3) |
| XYZ | xyz(6.5300, 4.7779, 25.3839) |
| Luminance | 0.0478 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 4.71
Darkish Blue
#014182
ΔE00 6.17
Blueberry
#464196
ΔE00 6.29
Cobalt (survey)
#1E488F
ΔE00 6.30
Cobalt
#0047AB
ΔE00 6.71
Darkslateblue
#483D8B
ΔE00 6.81
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C368C #8C721C
analogous
#1C6E8C #1C368C #3A1C8C
triadic
#1C368C #8C1C36 #368C1C
tetradic
#1C368C #8C1C6E #8C721C #1C8C3A
square
#1C368C #8C1C6E #8C721C #1C8C3A
split-complementary
#1C368C #8C3A1C #6E8C1C
monochromatic
#080F26 #122259 #1C368C #264ABF #486ADA
Accessibility & contrast
On white
10.74
#1C368C on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.96
#1C368C on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1C368C
10.74:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C368C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C368C | 1.00 | 10.74 | 1.96 | 10.74 |
| #FFFFFF | 10.74 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.96 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.74 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#00438F
Deuteranopia (green-blind)
#00398A
Tritanopia (blue-blind)
#004C5B
Achromatopsia (no color)
#3E3E3E
Design tokens & code
CSS
--color: #1c368c; /* rgb */ color: rgb(28, 54, 140); /* oklch */ color: oklch(37.2% 0.146 266.3);
Tailwind
colors: {
custom: {
50: '#6c6cae',
500: '#1c368c',
950: '#000000',
},
}SCSS
$custom: #1c368c; $custom-light: #6c6cae; $custom-dark: #000000;
JSON
{
"hex": "#1c368c",
"rgb": {
"r": 28,
"g": 54,
"b": 140
},
"hsl": {
"h": 226.071,
"s": 66.667,
"l": 32.941
},
"oklch": {
"l": 0.37166,
"c": 0.14632,
"h": 266.3
},
"luminance": 0.04779
}Semantic roles & 50–950 ramp
primary
#1C368C
secondary
#BCA148
accent
#C23EEA
background
#F7F6FA
surface
#EDEBF4
border
#C8C6CE
text
#080710
muted
#7B7A7F