#1D433B
Closest named color: Dark Teal (#014D4E). oklch(35.2% 0.046 177.9), rgb(29, 67, 59).
Aa
White text reads best on this color (10.94:1).
About this color
#1D433B is a dark, muted teal or cyan. In OKLCH its lightness is 35%, its chroma 0.046 and its hue 178°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Teal (#014D4E), ΔE 0.038 away. White text reads best on it, at 10.94:1.
| Hue family | Teals and cyans |
| Lightness | dark (35%) |
| Chroma | muted (0.046) |
| Temperature | cool |
| Nearest name | Dark Teal (#014D4E) |
| Black text | 1.91:1 |
| White text | 10.94:1 |
Values
| HEX | #1D433B |
| RGB | rgb(29, 67, 59) |
| HSL | hsl(167, 40%, 19%) |
| OKLCH | oklch(35.2% 0.046 177.9) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #1D433B | 10.94:1 | AAA | Lc -99.1 | Preferred for body text |
| Black text on #1D433B | 1.91:1 | Fails | Lc 8.7 | Not readable |
| #1D433B text on white | 10.94:1 | AAA | Lc 95.2 | Preferred for body text |
| #1D433B text on black | 1.91:1 | Fails | Lc -7.4 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 900.
-
Step 50
50
#F2F6F5
oklch(97% 0.004 179.7)
-
Step 100
100
#E3ECEA
oklch(93.6% 0.01 181.4)
-
Step 200
200
#CDDDD9
oklch(88.4% 0.018 179.3)
-
Step 300
300
#AAC8C0
oklch(80.8% 0.034 177.5)
-
Step 400
400
#7BACA0
oklch(70.6% 0.055 177.7)
-
Step 500
500
#579889
oklch(63.2% 0.071 177.3)
-
Step 600
600
#3A8273
oklch(55.6% 0.076 177.7)
-
Step 700
700
#2B6E61
oklch(49.1% 0.071 178.3)
-
Step 800
800
#255A4F
oklch(42.8% 0.06 177.6)
-
Step 900
900 (this color)
#1D433B
oklch(35.2% 0.046 177.9)
-
Step 950
950
#162B26
oklch(27% 0.029 177.1)
#1D433B with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #403F3B | 0.048 |
| Deuteranopia (no green cones) | #3A3B3C | 0.045 |
| Tritanopia (no blue cones) | #0B4441 | 0.014 |
| Achromatopsia (no color) | #3C3C3C | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1D433B
#1D433B
oklch(35.2% 0.046 177.9)
- #4F313B
#4F313B
oklch(35.3% 0.046 358.2)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #1D433B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Teal #014D4E ΔE 0.038
- Evergreen #05472A ΔE 0.040
- Charcoal #264653 ΔE 0.043
- Onyx #343A40 ΔE 0.044
- Charcoal Grey #3C4142 ΔE 0.044
- Dark Blue Green #005249 ΔE 0.048
- Dark Blue Grey #1F3B4D ΔE 0.049
- Midnight Green #073B4C ΔE 0.050
Use #1D433B in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.