#15233D#15233D
#15233D is a dark, muted blue. Relative luminance 0.017; OKLCH L 25.8% C 0.053 H 261.9°. Best body text is #FFFFFF at 15.68:1 contrast (WCAG AA passes).
Color values
| HEX | #15233D |
|---|---|
| RGB | rgb(21, 35, 61) |
| HSL | hsl(219, 49%, 16%) |
| HSV | hsv(219, 66%, 24%) |
| CMYK | cmyk(65.6%, 42.6%, 0%, 76.1%) |
| CIE-LAB | lab(13.82, 3.57, -18.50) |
| CIE-LCH | lch(13.82, 18.84, 280.91°) |
| OKLab | oklab(25.81% -0.0074 -0.0524) |
| OKLCH | oklch(25.81% 0.053 261.9) |
| XYZ | xyz(1.7523, 1.6983, 4.6494) |
| Luminance | 0.0170 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Navy Blue
#1B2A4A
ΔE00 2.97
Dark
#1B2431
ΔE00 6.10
Navy (survey)
#01153E
ΔE00 6.36
Marine
#042E60
ΔE00 7.45
Navy Blue (survey)
#001146
ΔE00 8.57
Dark Navy Blue
#00022E
ΔE00 9.07
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#15233D #3D2F15
analogous
#15373D #15233D #1B153D
triadic
#15233D #3D1523 #233D15
tetradic
#15233D #3D1537 #3D2F15 #153D1B
square
#15233D #3D1537 #3D2F15 #153D1B
split-complementary
#15233D #3D1B15 #373D15
monochromatic
#080D17 #080D17 #15233D #253D6B #345798
Accessibility & contrast
On white
15.68
#15233D on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.34
#15233D on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #15233D
15.68:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##15233D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##15233D | 1.00 | 15.68 | 1.34 | 15.68 |
| #FFFFFF | 15.68 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.34 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 15.68 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#18253E
Deuteranopia (green-blind)
#13223C
Tritanopia (blue-blind)
#00292D
Achromatopsia (no color)
#232323
Design tokens & code
CSS
--color: #15233d; /* rgb */ color: rgb(21, 35, 61); /* oklch */ color: oklch(25.8% 0.053 261.9);
Tailwind
colors: {
custom: {
50: '#565d72',
500: '#15233d',
950: '#000000',
},
}SCSS
$custom: #15233d; $custom-light: #565d72; $custom-dark: #000000;
JSON
{
"hex": "#15233d",
"rgb": {
"r": 21,
"g": 35,
"b": 61
},
"hsl": {
"h": 219,
"s": 48.78,
"l": 16.078
},
"oklch": {
"l": 0.25814,
"c": 0.05292,
"h": 261.9
},
"luminance": 0.01698
}Semantic roles & 50–950 ramp
primary
#15233D
secondary
#756039
accent
#A84FD8
background
#F5F5F6
surface
#E9E9EC
border
#C5C5C7
text
#030408
muted
#78797B