#21156D#21156D
#21156D is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.5% C 0.142 H 278.6°. Best body text is #FFFFFF at 15.08:1 contrast (WCAG AA passes).
Color values
| HEX | #21156D |
|---|---|
| RGB | rgb(33, 21, 109) |
| HSL | hsl(248, 68%, 25%) |
| HSV | hsv(248, 81%, 43%) |
| CMYK | cmyk(69.7%, 80.7%, 0%, 57.3%) |
| CIE-LAB | lab(15.29, 33.87, -48.53) |
| CIE-LCH | lch(15.29, 59.18, 304.91°) |
| OKLab | oklab(28.47% 0.0212 -0.1402) |
| OKLCH | oklch(28.47% 0.142 278.6) |
| XYZ | xyz(3.6548, 1.9635, 14.6514) |
| Luminance | 0.0196 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Midnight Blue
#191970
ΔE00 1.64
Dark Royal Blue
#02066F
ΔE00 3.69
Darkblue (survey)
#030764
ΔE00 3.74
Deep Blue
#040273
ΔE00 4.27
Dark Indigo
#1F0954
ΔE00 4.72
Dark Blue
#00035B
ΔE00 5.03
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#21156D #616D15
analogous
#15356D #21156D #4D156D
triadic
#21156D #6D2115 #156D21
tetradic
#21156D #6D1535 #616D15 #156D4D
square
#21156D #6D1535 #616D15 #156D4D
split-complementary
#21156D #6D4D15 #356D15
monochromatic
#08051A #110B3A #21156D #311FA0 #4029D4
Accessibility & contrast
On white
15.08
#21156D on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.39
#21156D on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #21156D
15.08:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##21156D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##21156D | 1.00 | 15.08 | 1.39 | 15.08 |
| #FFFFFF | 15.08 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.39 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 15.08 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#002A6F
Deuteranopia (green-blind)
#00236B
Tritanopia (blue-blind)
#002F40
Achromatopsia (no color)
#262626
Design tokens & code
CSS
--color: #21156d; /* rgb */ color: rgb(33, 21, 109); /* oklch */ color: oklch(28.5% 0.142 278.6);
Tailwind
colors: {
custom: {
50: '#695598',
500: '#21156d',
950: '#000000',
},
}SCSS
$custom: #21156d; $custom-light: #695598; $custom-dark: #000000;
JSON
{
"hex": "#21156d",
"rgb": {
"r": 33,
"g": 21,
"b": 109
},
"hsl": {
"h": 248.182,
"s": 67.692,
"l": 25.49
},
"oklch": {
"l": 0.28471,
"c": 0.14176,
"h": 278.6
},
"luminance": 0.01964
}Semantic roles & 50–950 ramp
primary
#21156D
secondary
#95A33A
accent
#EB3DD3
background
#F6F5F9
surface
#ECE9F2
border
#C7C5CC
text
#07030E
muted
#7A787E