#1B433F#1B433F
#1B433F is a dark, muted teal. Relative luminance 0.046; OKLCH L 35.3% C 0.046 H 186.6°. Best body text is #FFFFFF at 10.93:1 contrast (WCAG AA passes).
Color values
| HEX | #1B433F |
|---|---|
| RGB | rgb(27, 67, 63) |
| HSL | hsl(174, 43%, 18%) |
| HSV | hsv(174, 60%, 26%) |
| CMYK | cmyk(59.7%, 0%, 6%, 73.7%) |
| CIE-LAB | lab(25.58, -15.20, -1.85) |
| CIE-LCH | lch(25.58, 15.31, 186.95°) |
| OKLab | oklab(35.28% -0.0453 -0.0052) |
| OKLCH | oklch(35.28% 0.046 186.6) |
| XYZ | xyz(3.3560, 4.6059, 5.4138) |
| Luminance | 0.0461 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Dark Teal
#014D4E
ΔE00 4.96
Darkslategray
#2F4F4F
ΔE00 5.37
Dark Blue Green
#005249
ΔE00 6.72
Deep Teal
#00555A
ΔE00 7.68
Dark Turquoise
#045C5A
ΔE00 8.92
Evergreen
#05472A
ΔE00 11.01
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1B433F #431B1F
analogous
#1B432B #1B433F #1B3343
triadic
#1B433F #3F1B43 #433F1B
tetradic
#1B433F #2B1B43 #431B1F #33431B
square
#1B433F #2B1B43 #431B1F #33431B
split-complementary
#1B433F #431B33 #432B1B
monochromatic
#091615 #091716 #1B433F #2D6F68 #3E9A91
Accessibility & contrast
On white
10.93
#1B433F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.92
#1B433F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1B433F
10.93:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1B433F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1B433F | 1.00 | 10.93 | 1.92 | 10.93 |
| #FFFFFF | 10.93 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.92 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.93 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#403F3F
Deuteranopia (green-blind)
#393B3F
Tritanopia (blue-blind)
#024542
Achromatopsia (no color)
#3D3D3D
Design tokens & code
CSS
--color: #1b433f; /* rgb */ color: rgb(27, 67, 63); /* oklch */ color: oklch(35.3% 0.046 186.6);
Tailwind
colors: {
custom: {
50: '#5c7774',
500: '#1b433f',
950: '#000000',
},
}SCSS
$custom: #1b433f; $custom-light: #5c7774; $custom-dark: #000000;
JSON
{
"hex": "#1b433f",
"rgb": {
"r": 27,
"g": 67,
"b": 63
},
"hsl": {
"h": 174,
"s": 42.553,
"l": 18.431
},
"oklch": {
"l": 0.35284,
"c": 0.0456,
"h": 186.6
},
"luminance": 0.04606
}Semantic roles & 50–950 ramp
primary
#1B433F
secondary
#794147
accent
#5562D2
background
#F5F7F7
surface
#E9EDED
border
#C5C8C8
text
#040808
muted
#797B7B