#153D6B#153D6B
#153D6B is a dark, moderate cyan. Relative luminance 0.046; OKLCH L 35.8% C 0.091 H 254.2°. Best body text is #FFFFFF at 10.99:1 contrast (WCAG AA passes).
Color values
| HEX | #153D6B |
|---|---|
| RGB | rgb(21, 61, 107) |
| HSL | hsl(212, 67%, 25%) |
| HSV | hsv(212, 80%, 42%) |
| CMYK | cmyk(80.4%, 43%, 0%, 58%) |
| CIE-LAB | lab(25.44, 4.01, -30.79) |
| CIE-LCH | lch(25.44, 31.05, 277.43°) |
| OKLab | oklab(35.81% -0.0248 -0.088) |
| OKLCH | oklch(35.81% 0.091 254.2) |
| XYZ | xyz(4.6309, 4.5579, 14.5428) |
| Luminance | 0.0456 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Marine Blue
#01386A
ΔE00 1.79
Twilight Blue
#0A437A
ΔE00 2.74
Darkish Blue
#014182
ΔE00 3.19
Prussian Blue
#004577
ΔE00 3.74
Marine
#042E60
ΔE00 4.83
Cobalt (survey)
#1E488F
ΔE00 5.60
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#153D6B #6B4315
analogous
#15686B #153D6B #18156B
triadic
#153D6B #6B153D #3D6B15
tetradic
#153D6B #6B1568 #6B4315 #156B18
square
#153D6B #6B1568 #6B4315 #156B18
split-complementary
#153D6B #6B1815 #686B15
monochromatic
#050F1A #0B2038 #153D6B #1F5A9E #2977D1
Accessibility & contrast
On white
10.99
#153D6B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.91
#153D6B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #153D6B
10.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##153D6B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##153D6B | 1.00 | 10.99 | 1.91 | 10.99 |
| #FFFFFF | 10.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.91 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#27416D
Deuteranopia (green-blind)
#18396A
Tritanopia (blue-blind)
#00484E
Achromatopsia (no color)
#3C3C3C
Design tokens & code
CSS
--color: #153d6b; /* rgb */ color: rgb(21, 61, 107); /* oklch */ color: oklch(35.8% 0.091 254.2);
Tailwind
colors: {
custom: {
50: '#607296',
500: '#153d6b',
950: '#000000',
},
}SCSS
$custom: #153d6b; $custom-light: #607296; $custom-dark: #000000;
JSON
{
"hex": "#153d6b",
"rgb": {
"r": 21,
"g": 61,
"b": 107
},
"hsl": {
"h": 212.093,
"s": 67.188,
"l": 25.098
},
"oklch": {
"l": 0.35805,
"c": 0.09143,
"h": 254.2
},
"luminance": 0.04558
}Semantic roles & 50–950 ramp
primary
#153D6B
secondary
#A2723A
accent
#9A3EEA
background
#F6F6F9
surface
#EBECF2
border
#C6C7CC
text
#05070D
muted
#7A7A7E