#1D4E45
Closest named color: Dark Blue Green (#005249). oklch(38.8% 0.055 179.3), rgb(29, 78, 69).
Aa
White text reads best on this color (9.42:1).
About this color
#1D4E45 is a dark, muted teal or cyan. In OKLCH its lightness is 39%, its chroma 0.055 and its hue 179°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.017 away. White text reads best on it, at 9.42:1.
| Hue family | Teals and cyans |
| Lightness | dark (39%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.22:1 |
| White text | 9.42:1 |
Values
| HEX | #1D4E45 |
| RGB | rgb(29, 78, 69) |
| HSL | hsl(169, 46%, 21%) |
| OKLCH | oklch(38.8% 0.055 179.3) |
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 #1D4E45 | 9.42:1 | AAA | Lc -95.9 | Preferred for body text |
| Black text on #1D4E45 | 2.22:1 | Fails | Lc 12.4 | Not readable |
| #1D4E45 text on white | 9.42:1 | AAA | Lc 91.6 | Preferred for body text |
| #1D4E45 text on black | 2.22:1 | Fails | Lc -10.8 | 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
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E2EDEA
oklch(93.7% 0.012 178)
-
Step 200
200
#CADED9
oklch(88.4% 0.022 179.1)
-
Step 300
300
#A5CAC1
oklch(81% 0.041 178.8)
-
Step 400
400
#72AEA1
oklch(70.6% 0.065 179.1)
-
Step 500
500
#489A8B
oklch(63.1% 0.084 179.8)
-
Step 600
600
#218575
oklch(55.7% 0.092 179.4)
-
Step 700
700
#107062
oklch(49% 0.085 179.7)
-
Step 800
800
#145B50
oklch(42.6% 0.07 179.9)
-
Step 900
900 (this color)
#1D4E45
oklch(38.8% 0.055 179.3)
-
Step 950
950
#112C27
oklch(27% 0.035 179.9)
#1D4E45 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) | #4B4945 | 0.059 |
| Deuteranopia (no green cones) | #434446 | 0.055 |
| Tritanopia (no blue cones) | #004F4B | 0.016 |
| Achromatopsia (no color) | #464646 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1D4E45
#1D4E45
oklch(38.8% 0.055 179.3)
- #5D3843
#5D3843
oklch(38.9% 0.055 0.7)
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 #1D4E45, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.017
- Dark Teal #014D4E ΔE 0.021
- Dark Slate Gray #2F4F4F ΔE 0.027
- Deep Teal #00555A ΔE 0.035
- Charcoal #264653 ΔE 0.043
- Evergreen #05472A ΔE 0.050
- Charcoal Grey #3C4142 ΔE 0.052
- Dark Grey Blue #29465B ΔE 0.055
Use #1D4E45 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.