#1B2103#1B2103
#1B2103 is a very dark, muted yellow-green. Relative luminance 0.013; OKLCH L 23.4% C 0.050 H 119.8°. Best body text is #FFFFFF at 16.60:1 contrast (WCAG AA passes).
Color values
| HEX | #1B2103 |
|---|---|
| RGB | rgb(27, 33, 3) |
| HSL | hsl(72, 83%, 7%) |
| HSV | hsv(72, 91%, 13%) |
| CMYK | cmyk(18.2%, 0%, 90.9%, 87.1%) |
| CIE-LAB | lab(11.47, -8.38, 15.63) |
| CIE-LCH | lch(11.47, 17.74, 118.18°) |
| OKLab | oklab(23.39% -0.0249 0.0435) |
| OKLCH | oklch(23.39% 0.05 119.8) |
| XYZ | xyz(1.0123, 1.3273, 0.2890) |
| Luminance | 0.0133 (WCAG relative) |
| Temperature | warm |
| Family | yellow-green |
Closest named colors
Very Dark Green
#062E03
ΔE00 9.85
Dark Forest Green
#002D04
ΔE00 10.44
Dark Green
#033500
ΔE00 11.82
Dark Olive
#373E02
ΔE00 11.95
Hunter Green (survey)
#0B4008
ΔE00 13.84
Almost Black
#070D0D
ΔE00 14.10
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1B2103 #090321
analogous
#211803 #1B2103 #0C2103
triadic
#1B2103 #031B21 #21031B
tetradic
#1B2103 #032118 #090321 #21030C
square
#1B2103 #032118 #090321 #21030C
split-complementary
#1B2103 #030C21 #180321
monochromatic
#171C03 #171C03 #1B2103 #495908 #77910D
Accessibility & contrast
On white
16.60
#1B2103 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.27
#1B2103 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1B2103
16.60:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1B2103 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1B2103 | 1.00 | 16.60 | 1.27 | 16.60 |
| #FFFFFF | 16.60 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.27 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 16.60 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#241E01
Deuteranopia (green-blind)
#231F05
Tritanopia (blue-blind)
#1D1F1B
Achromatopsia (no color)
#1E1E1E
Design tokens & code
CSS
--color: #1b2103; /* rgb */ color: rgb(27, 33, 3); /* oklch */ color: oklch(23.4% 0.050 119.8);
Tailwind
colors: {
custom: {
50: '#575c48',
500: '#1b2103',
950: '#000000',
},
}SCSS
$custom: #1b2103; $custom-light: #575c48; $custom-dark: #000000;
JSON
{
"hex": "#1b2103",
"rgb": {
"r": 27,
"g": 33,
"b": 3
},
"hsl": {
"h": 72,
"s": 83.333,
"l": 7.059
},
"oklch": {
"l": 0.23391,
"c": 0.05012,
"h": 119.8
},
"luminance": 0.01327
}Semantic roles & 50–950 ramp
primary
#1B2103
secondary
#2A1B65
accent
#2EFA57
background
#F5F5F4
surface
#E9E9E6
border
#C5C5C2
text
#030400
muted
#787977