#1C259F#1C259F
#1C259F is a dark, vivid blue. Relative luminance 0.041; OKLCH L 36.1% C 0.191 H 269.2°. Best body text is #FFFFFF at 11.57:1 contrast (WCAG AA passes).
Color values
| HEX | #1C259F |
|---|---|
| RGB | rgb(28, 37, 159) |
| HSL | hsl(236, 70%, 37%) |
| HSV | hsv(236, 82%, 62%) |
| CMYK | cmyk(82.4%, 76.7%, 0%, 37.6%) |
| CIE-LAB | lab(23.91, 41.44, -65.79) |
| CIE-LCH | lch(23.91, 77.76, 302.21°) |
| OKLab | oklab(36.15% -0.0027 -0.1906) |
| OKLCH | oklch(36.15% 0.191 269.2) |
| XYZ | xyz(7.3963, 4.0723, 33.1904) |
| Luminance | 0.0407 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Royal
#0C1793
ΔE00 3.53
Indigo Blue
#3A18B1
ΔE00 4.70
Cobalt Blue
#030AA7
ΔE00 4.70
Sapphire (survey)
#2138AB
ΔE00 5.24
Royal Blue (survey)
#0504AA
ΔE00 5.25
Ultramarine
#2000B1
ΔE00 5.62
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C259F #9F961C
analogous
#1C679F #1C259F #551C9F
triadic
#1C259F #9F1C25 #259F1C
tetradic
#1C259F #9F1C67 #9F961C #1C9F55
square
#1C259F #9F1C67 #9F961C #1C9F55
split-complementary
#1C259F #9F551C #679F1C
monochromatic
#0A0D37 #13196B #1C259F #2531D3 #545EE1
Accessibility & contrast
On white
11.57
#1C259F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.81
#1C259F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1C259F
11.57:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C259F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C259F | 1.00 | 11.57 | 1.81 | 11.57 |
| #FFFFFF | 11.57 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.81 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 11.57 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#003FA3
Deuteranopia (green-blind)
#00329D
Tritanopia (blue-blind)
#004960
Achromatopsia (no color)
#393939
Design tokens & code
CSS
--color: #1c259f; /* rgb */ color: rgb(28, 37, 159); /* oklch */ color: oklch(36.1% 0.191 269.2);
Tailwind
colors: {
custom: {
50: '#7261bd',
500: '#1c259f',
950: '#000000',
},
}SCSS
$custom: #1c259f; $custom-light: #7261bd; $custom-dark: #000000;
JSON
{
"hex": "#1c259f",
"rgb": {
"r": 28,
"g": 37,
"b": 159
},
"hsl": {
"h": 235.878,
"s": 70.053,
"l": 36.667
},
"oklch": {
"l": 0.36148,
"c": 0.19064,
"h": 269.2
},
"luminance": 0.04073
}Semantic roles & 50–950 ramp
primary
#1C259F
secondary
#C4BC53
accent
#E13BED
background
#F7F5FB
surface
#EEEAF7
border
#C9C6D0
text
#0A0512
muted
#7C7981