#1D4947
Closest named color: Dark Teal (#014D4E). oklch(37.4% 0.048 191.3), rgb(29, 73, 71).
Aa
White text reads best on this color (10.01:1).
About this color
#1D4947 is a dark, muted teal or cyan. In OKLCH its lightness is 37%, its chroma 0.048 and its hue 191°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Teal (#014D4E), ΔE 0.018 away. White text reads best on it, at 10.01:1.
| Hue family | Teals and cyans |
| Lightness | dark (37%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | Dark Teal (#014D4E) |
| Black text | 2.09:1 |
| White text | 10.01:1 |
Values
| HEX | #1D4947 |
| RGB | rgb(29, 73, 71) |
| HSL | hsl(177, 43%, 20%) |
| OKLCH | oklch(37.4% 0.048 191.3) |
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 #1D4947 | 10.01:1 | AAA | Lc -97.2 | Preferred for body text |
| Black text on #1D4947 | 2.09:1 | Fails | Lc 10.8 | Not readable |
| #1D4947 text on white | 10.01:1 | AAA | Lc 93.1 | Preferred for body text |
| #1D4947 text on black | 2.09:1 | Fails | Lc -9.4 | 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
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E2ECEB
oklch(93.5% 0.011 189.8)
-
Step 200
200
#CBDEDC
oklch(88.6% 0.02 189.2)
-
Step 300
300
#A7C9C6
oklch(81% 0.037 189.9)
-
Step 400
400
#75ADA9
oklch(70.8% 0.059 190.3)
-
Step 500
500
#4E9894
oklch(63.1% 0.074 190.8)
-
Step 600
600
#2C827F
oklch(55.5% 0.081 191.8)
-
Step 700
700
#1D6E6B
oklch(49.1% 0.075 191.3)
-
Step 800
800
#1B5A57
oklch(42.7% 0.063 190.5)
-
Step 900
900 (this color)
#1D4947
oklch(37.4% 0.048 191.3)
-
Step 950
950
#132B2A
oklch(26.9% 0.03 192)
#1D4947 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) | #454547 | 0.052 |
| Deuteranopia (no green cones) | #3E4047 | 0.048 |
| Tritanopia (no blue cones) | #004B48 | 0.016 |
| Achromatopsia (no color) | #424242 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1D4947
#1D4947
oklch(37.4% 0.048 191.3)
- #57363A
#57363A
oklch(37.4% 0.048 11.7)
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 #1D4947, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Teal #014D4E ΔE 0.018
- Charcoal #264653 ΔE 0.028
- Dark Blue Green #005249 ΔE 0.031
- Dark Slate Gray #2F4F4F ΔE 0.031
- Charcoal Grey #3C4142 ΔE 0.042
- Deep Teal #00555A ΔE 0.042
- Dark Grey Blue #29465B ΔE 0.042
- Onyx #343A40 ΔE 0.052
Use #1D4947 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.