#153B6A#153B6A
#153B6A is a dark, moderate cyan. Relative luminance 0.043; OKLCH L 35.2% C 0.092 H 255.5°. Best body text is #FFFFFF at 11.26:1 contrast (WCAG AA passes).
Color values
| HEX | #153B6A |
|---|---|
| RGB | rgb(21, 59, 106) |
| HSL | hsl(213, 67%, 25%) |
| HSV | hsv(213, 80%, 42%) |
| CMYK | cmyk(80.2%, 44.3%, 0%, 58.4%) |
| CIE-LAB | lab(24.73, 4.99, -31.28) |
| CIE-LCH | lch(24.73, 31.68, 279.06°) |
| OKLab | oklab(35.23% -0.0231 -0.0895) |
| OKLCH | oklch(35.23% 0.092 255.5) |
| XYZ | xyz(4.4738, 4.3275, 14.2324) |
| Luminance | 0.0433 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Marine Blue
#01386A
ΔE00 1.55
Twilight Blue
#0A437A
ΔE00 3.39
Darkish Blue
#014182
ΔE00 3.60
Marine
#042E60
ΔE00 4.12
Prussian Blue
#004577
ΔE00 4.48
Cobalt (survey)
#1E488F
ΔE00 5.99
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#153B6A #6A4415
analogous
#15666A #153B6A #19156A
triadic
#153B6A #6A153B #3B6A15
tetradic
#153B6A #6A1566 #6A4415 #156A19
square
#153B6A #6A1566 #6A4415 #156A19
split-complementary
#153B6A #6A1915 #666A15
monochromatic
#050E1A #0B1F37 #153B6A #1F579D #2974D0
Accessibility & contrast
On white
11.26
#153B6A on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.87
#153B6A on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #153B6A
11.26:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##153B6A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##153B6A | 1.00 | 11.26 | 1.87 | 11.26 |
| #FFFFFF | 11.26 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.87 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 11.26 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#243F6C
Deuteranopia (green-blind)
#153769
Tritanopia (blue-blind)
#00464D
Achromatopsia (no color)
#3B3B3B
Design tokens & code
CSS
--color: #153b6a; /* rgb */ color: rgb(21, 59, 106); /* oklch */ color: oklch(35.2% 0.092 255.5);
Tailwind
colors: {
custom: {
50: '#607095',
500: '#153b6a',
950: '#000000',
},
}SCSS
$custom: #153b6a; $custom-light: #607095; $custom-dark: #000000;
JSON
{
"hex": "#153b6a",
"rgb": {
"r": 21,
"g": 59,
"b": 106
},
"hsl": {
"h": 213.176,
"s": 66.929,
"l": 24.902
},
"oklch": {
"l": 0.35231,
"c": 0.09241,
"h": 255.5
},
"luminance": 0.04328
}Semantic roles & 50–950 ramp
primary
#153B6A
secondary
#A1733A
accent
#9D3EEA
background
#F6F6F9
surface
#EBECF1
border
#C6C7CB
text
#05070D
muted
#7A7A7E