#153A4A#153A4A
#153A4A is a dark, muted cyan. Relative luminance 0.037; OKLCH L 33.0% C 0.050 H 229.5°. Best body text is #FFFFFF at 12.10:1 contrast (WCAG AA passes).
Color values
| HEX | #153A4A |
|---|---|
| RGB | rgb(21, 58, 74) |
| HSL | hsl(198, 56%, 19%) |
| HSV | hsv(198, 72%, 29%) |
| CMYK | cmyk(71.6%, 21.6%, 0%, 71%) |
| CIE-LAB | lab(22.58, -7.28, -13.70) |
| CIE-LCH | lch(22.58, 15.51, 242.01°) |
| OKLab | oklab(32.95% -0.0327 -0.0383) |
| OKLCH | oklch(32.95% 0.05 229.5) |
| XYZ | xyz(3.0579, 3.6796, 7.0263) |
| Luminance | 0.0368 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Blue Grey
#1F3B4D
ΔE00 2.88
Dark Grey Blue
#29465B
ΔE00 5.54
Dark Slate Blue
#214761
ΔE00 6.25
Charcoal
#36454F
ΔE00 6.73
Gunmetal
#2A3439
ΔE00 7.44
Dark
#1B2431
ΔE00 10.32
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#153A4A #4A2515
analogous
#154A3F #153A4A #151F4A
triadic
#153A4A #4A153A #3A4A15
tetradic
#153A4A #3F154A #4A2515 #1F4A15
square
#153A4A #3F154A #4A2515 #1F4A15
split-complementary
#153A4A #4A151F #4A3F15
monochromatic
#071318 #07151A #153A4A #235F7A #3085A9
Accessibility & contrast
On white
12.10
#153A4A on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.74
#153A4A on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #153A4A
12.10:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##153A4A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##153A4A | 1.00 | 12.10 | 1.74 | 12.10 |
| #FFFFFF | 12.10 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.74 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 12.10 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#32394B
Deuteranopia (green-blind)
#2A344A
Tritanopia (blue-blind)
#003E3F
Achromatopsia (no color)
#363636
Design tokens & code
CSS
--color: #153a4a; /* rgb */ color: rgb(21, 58, 74); /* oklch */ color: oklch(33.0% 0.050 229.5);
Tailwind
colors: {
custom: {
50: '#59707c',
500: '#153a4a',
950: '#000000',
},
}SCSS
$custom: #153a4a; $custom-light: #59707c; $custom-dark: #000000;
JSON
{
"hex": "#153a4a",
"rgb": {
"r": 21,
"g": 58,
"b": 74
},
"hsl": {
"h": 198.113,
"s": 55.789,
"l": 18.627
},
"oklch": {
"l": 0.32954,
"c": 0.05037,
"h": 229.5
},
"luminance": 0.0368
}Semantic roles & 50–950 ramp
primary
#153A4A
secondary
#824F39
accent
#7649DF
background
#F5F6F7
surface
#E9ECEE
border
#C5C7C9
text
#040709
muted
#797A7B