#1C239D#1C239D
#1C239D is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.6% C 0.190 H 269.5°. Best body text is #FFFFFF at 11.82:1 contrast (WCAG AA passes).
Color values
| HEX | #1C239D |
|---|---|
| RGB | rgb(28, 35, 157) |
| HSL | hsl(237, 70%, 36%) |
| HSV | hsv(237, 82%, 62%) |
| CMYK | cmyk(82.2%, 77.7%, 0%, 38.4%) |
| CIE-LAB | lab(23.28, 41.90, -65.61) |
| CIE-LCH | lch(23.28, 77.85, 302.56°) |
| OKLab | oklab(35.64% -0.0018 -0.1901) |
| OKLCH | oklch(35.64% 0.19 269.5) |
| XYZ | xyz(7.1636, 3.8824, 32.2636) |
| Luminance | 0.0388 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Royal
#0C1793
ΔE00 3.01
Cobalt Blue
#030AA7
ΔE00 4.32
Indigo Blue
#3A18B1
ΔE00 4.65
Royal Blue (survey)
#0504AA
ΔE00 4.89
Ultramarine
#2000B1
ΔE00 5.34
Sapphire (survey)
#2138AB
ΔE00 5.78
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C239D #9D961C
analogous
#1C649D #1C239D #561C9D
triadic
#1C239D #9D1C23 #239D1C
tetradic
#1C239D #9D1C64 #9D961C #1C9D56
square
#1C239D #9D1C64 #9D961C #1C9D56
split-complementary
#1C239D #9D561C #649D1C
monochromatic
#090C35 #131769 #1C239D #252FD1 #535BE0
Accessibility & contrast
On white
11.82
#1C239D on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.78
#1C239D on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1C239D
11.82:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C239D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C239D | 1.00 | 11.82 | 1.78 | 11.82 |
| #FFFFFF | 11.82 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.78 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 11.82 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#003EA0
Deuteranopia (green-blind)
#00319B
Tritanopia (blue-blind)
#00485F
Achromatopsia (no color)
#373737
Design tokens & code
CSS
--color: #1c239d; /* rgb */ color: rgb(28, 35, 157); /* oklch */ color: oklch(35.6% 0.190 269.5);
Tailwind
colors: {
custom: {
50: '#7260bb',
500: '#1c239d',
950: '#000000',
},
}SCSS
$custom: #1c239d; $custom-light: #7260bb; $custom-dark: #000000;
JSON
{
"hex": "#1c239d",
"rgb": {
"r": 28,
"g": 35,
"b": 157
},
"hsl": {
"h": 236.744,
"s": 69.73,
"l": 36.275
},
"oklch": {
"l": 0.35635,
"c": 0.19009,
"h": 269.5
},
"luminance": 0.03883
}Semantic roles & 50–950 ramp
primary
#1C239D
secondary
#C3BD51
accent
#E33BED
background
#F7F5FB
surface
#EEE9F6
border
#C9C5D0
text
#0A0512
muted
#7C7981