#1D546B
Closest named color: Deep Teal (#00555A). oklch(42.1% 0.068 229.4), rgb(29, 84, 107).
Aa
White text reads best on this color (8.29:1).
About this color
#1D546B is a dark, muted teal or cyan. In OKLCH its lightness is 42%, its chroma 0.068 and its hue 229°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Teal (#00555A), ΔE 0.035 away. White text reads best on it, at 8.29:1.
| Hue family | Teals and cyans |
| Lightness | dark (42%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.53:1 |
| White text | 8.29:1 |
Values
| HEX | #1D546B |
| RGB | rgb(29, 84, 107) |
| HSL | hsl(198, 57%, 27%) |
| OKLCH | oklch(42.1% 0.068 229.4) |
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 #1D546B | 8.29:1 | AAA | Lc -93.0 | Preferred for body text |
| Black text on #1D546B | 2.53:1 | Fails | Lc 15.6 | Dividers and decoration only |
| #1D546B text on white | 8.29:1 | AAA | Lc 88.4 | Fine for body text |
| #1D546B text on black | 2.53:1 | Fails | Lc -13.8 | 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 800.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2EBF0
oklch(93.5% 0.012 231.7)
-
Step 200
200
#CBDCE5
oklch(88.4% 0.022 230.6)
-
Step 300
300
#A7C6D6
oklch(80.9% 0.04 230.3)
-
Step 400
400
#77A9C1
oklch(70.8% 0.064 229.4)
-
Step 500
500
#5093B1
oklch(63.1% 0.082 229.1)
-
Step 600
600
#317D9D
oklch(55.7% 0.089 229.3)
-
Step 700
700
#236986
oklch(49.1% 0.082 229.6)
-
Step 800
800 (this color)
#1D546B
oklch(42.1% 0.068 229.4)
-
Step 900
900
#204758
oklch(37.7% 0.053 228.9)
-
Step 950
950
#142A34
oklch(27.2% 0.034 229.2)
#1D546B 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) | #48536C | 0.048 |
| Deuteranopia (no green cones) | #3D4B6B | 0.041 |
| Tritanopia (no blue cones) | #005A5C | 0.039 |
| Achromatopsia (no color) | #4E4E4E | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1D546B
#1D546B
oklch(42.1% 0.068 229.4)
- #6B412A
#6B412A
oklch(41.9% 0.068 48.9)
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 #1D546B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.035
- Petrol #005F6A ΔE 0.036
- Deep Sea Blue #015482 ΔE 0.040
- Dark Grey Blue #29465B ΔE 0.045
- Dark Slate Gray #2F4F4F ΔE 0.046
- Light Navy #155084 ΔE 0.047
- YInMn Blue #415A77 ΔE 0.048
- Charcoal #264653 ΔE 0.052
Use #1D546B 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.