#153A6F#153A6F
#153A6F is a dark, moderate blue. Relative luminance 0.043; OKLCH L 35.4% C 0.101 H 258.0°. Best body text is #FFFFFF at 11.25:1 contrast (WCAG AA passes).
Color values
| HEX | #153A6F |
|---|---|
| RGB | rgb(21, 58, 111) |
| HSL | hsl(215, 68%, 26%) |
| HSV | hsv(215, 81%, 44%) |
| CMYK | cmyk(81.1%, 47.7%, 0%, 56.5%) |
| CIE-LAB | lab(24.74, 7.79, -34.46) |
| CIE-LCH | lch(24.74, 35.33, 282.73°) |
| OKLab | oklab(35.35% -0.0211 -0.0988) |
| OKLCH | oklch(35.35% 0.101 258) |
| XYZ | xyz(4.6905, 4.3327, 15.6249) |
| Luminance | 0.0433 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Marine Blue
#01386A
ΔE00 2.00
Darkish Blue
#014182
ΔE00 3.49
Twilight Blue
#0A437A
ΔE00 3.70
Marine
#042E60
ΔE00 3.91
Prussian Blue
#004577
ΔE00 5.08
Cobalt (survey)
#1E488F
ΔE00 5.70
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#153A6F #6F4A15
analogous
#15676F #153A6F #1D156F
triadic
#153A6F #6F153A #3A6F15
tetradic
#153A6F #6F1567 #6F4A15 #156F1D
square
#153A6F #6F1567 #6F4A15 #156F1D
split-complementary
#153A6F #6F1D15 #676F15
monochromatic
#050D1A #0B1F3C #153A6F #1F55A2 #2870D6
Accessibility & contrast
On white
11.25
#153A6F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.87
#153A6F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #153A6F
11.25:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##153A6F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##153A6F | 1.00 | 11.25 | 1.87 | 11.25 |
| #FFFFFF | 11.25 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.87 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 11.25 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#1E3F71
Deuteranopia (green-blind)
#0A376E
Tritanopia (blue-blind)
#00474F
Achromatopsia (no color)
#3B3B3B
Design tokens & code
CSS
--color: #153a6f; /* rgb */ color: rgb(21, 58, 111); /* oklch */ color: oklch(35.4% 0.101 258.0);
Tailwind
colors: {
custom: {
50: '#626f99',
500: '#153a6f',
950: '#000000',
},
}SCSS
$custom: #153a6f; $custom-light: #626f99; $custom-dark: #000000;
JSON
{
"hex": "#153a6f",
"rgb": {
"r": 21,
"g": 58,
"b": 111
},
"hsl": {
"h": 215.333,
"s": 68.182,
"l": 25.882
},
"oklch": {
"l": 0.35353,
"c": 0.10106,
"h": 258
},
"luminance": 0.04333
}Semantic roles & 50–950 ramp
primary
#153A6F
secondary
#A5793A
accent
#A33DEB
background
#F6F6F9
surface
#EBECF2
border
#C6C7CC
text
#06070E
muted
#7A7A7E