#1C259D#1C259D
#1C259D is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.9% C 0.188 H 269.3°. Best body text is #FFFFFF at 11.66:1 contrast (WCAG AA passes).
Color values
| HEX | #1C259D |
|---|---|
| RGB | rgb(28, 37, 157) |
| HSL | hsl(236, 70%, 36%) |
| HSV | hsv(236, 82%, 62%) |
| CMYK | cmyk(82.2%, 76.4%, 0%, 38.4%) |
| CIE-LAB | lab(23.68, 40.75, -64.94) |
| CIE-LCH | lch(23.68, 76.67, 302.11°) |
| OKLab | oklab(35.92% -0.0024 -0.1882) |
| OKLCH | oklch(35.92% 0.188 269.3) |
| XYZ | xyz(7.2242, 4.0035, 32.2838) |
| Luminance | 0.0400 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Royal
#0C1793
ΔE00 3.41
Cobalt Blue
#030AA7
ΔE00 4.79
Indigo Blue
#3A18B1
ΔE00 4.90
Sapphire (survey)
#2138AB
ΔE00 5.33
Royal Blue (survey)
#0504AA
ΔE00 5.35
Ultramarine
#2000B1
ΔE00 5.77
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C259D #9D941C
analogous
#1C669D #1C259D #541C9D
triadic
#1C259D #9D1C25 #259D1C
tetradic
#1C259D #9D1C66 #9D941C #1C9D54
square
#1C259D #9D1C66 #9D941C #1C9D54
split-complementary
#1C259D #9D541C #669D1C
monochromatic
#090D35 #131969 #1C259D #2531D1 #535DE0
Accessibility & contrast
On white
11.66
#1C259D on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.80
#1C259D on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1C259D
11.66:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C259D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C259D | 1.00 | 11.66 | 1.80 | 11.66 |
| #FFFFFF | 11.66 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.80 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 11.66 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#003FA0
Deuteranopia (green-blind)
#00329B
Tritanopia (blue-blind)
#00495F
Achromatopsia (no color)
#383838
Design tokens & code
CSS
--color: #1c259d; /* rgb */ color: rgb(28, 37, 157); /* oklch */ color: oklch(35.9% 0.188 269.3);
Tailwind
colors: {
custom: {
50: '#7261bb',
500: '#1c259d',
950: '#000000',
},
}SCSS
$custom: #1c259d; $custom-light: #7261bb; $custom-dark: #000000;
JSON
{
"hex": "#1c259d",
"rgb": {
"r": 28,
"g": 37,
"b": 157
},
"hsl": {
"h": 235.814,
"s": 69.73,
"l": 36.275
},
"oklch": {
"l": 0.35921,
"c": 0.18818,
"h": 269.3
},
"luminance": 0.04004
}Semantic roles & 50–950 ramp
primary
#1C259D
secondary
#C3BB51
accent
#E03BED
background
#F7F5FB
surface
#EEEAF6
border
#C9C6D0
text
#090512
muted
#7B7981