#1B4E54
Closest named color: Dark Teal (#014D4E). oklch(39.3% 0.054 206), rgb(27, 78, 84).
Aa
White text reads best on this color (9.27:1).
About this color
#1B4E54 is a dark, muted teal or cyan. In OKLCH its lightness is 39%, its chroma 0.054 and its hue 206°. 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 9.27:1.
| Hue family | Teals and cyans |
| Lightness | dark (39%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Dark Teal (#014D4E) |
| Black text | 2.26:1 |
| White text | 9.27:1 |
Values
| HEX | #1B4E54 |
| RGB | rgb(27, 78, 84) |
| HSL | hsl(186, 51%, 22%) |
| OKLCH | oklch(39.3% 0.054 206) |
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 #1B4E54 | 9.27:1 | AAA | Lc -95.5 | Preferred for body text |
| Black text on #1B4E54 | 2.26:1 | Fails | Lc 12.8 | Not readable |
| #1B4E54 text on white | 9.27:1 | AAA | Lc 91.2 | Preferred for body text |
| #1B4E54 text on black | 2.26:1 | Fails | Lc -11.2 | 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
#F1F6F7
oklch(97% 0.005 211)
-
Step 100
100
#E1ECEE
oklch(93.5% 0.012 209.8)
-
Step 200
200
#C9DEE0
oklch(88.6% 0.023 203.7)
-
Step 300
300
#A3C9CD
oklch(81% 0.041 204.3)
-
Step 400
400
#6EADB5
oklch(70.8% 0.066 206)
-
Step 500
500
#4298A2
oklch(63.1% 0.083 205.7)
-
Step 600
600
#16828D
oklch(55.6% 0.09 205.8)
-
Step 700
700
#006E78
oklch(49.1% 0.084 205.8)
-
Step 800
800
#0B5A62
oklch(42.8% 0.07 205.8)
-
Step 900
900 (this color)
#1B4E54
oklch(39.3% 0.054 206)
-
Step 950
950
#0F2B2F
oklch(26.9% 0.034 207.9)
#1B4E54 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) | #474B54 | 0.052 |
| Deuteranopia (no green cones) | #3F4454 | 0.050 |
| Tritanopia (no blue cones) | #005150 | 0.019 |
| Achromatopsia (no color) | #474747 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B4E54
#1B4E54
oklch(39.3% 0.054 206)
- #603A36
#603A36
oklch(39.3% 0.055 26.4)
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 #1B4E54, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Teal #014D4E ΔE 0.018
- Dark Slate Gray #2F4F4F ΔE 0.021
- Deep Teal #00555A ΔE 0.023
- Charcoal #264653 ΔE 0.027
- Dark Blue Green #005249 ΔE 0.030
- Dark Grey Blue #29465B ΔE 0.034
- Charcoal Grey #3C4142 ΔE 0.052
- Petrol #005F6A ΔE 0.056
Use #1B4E54 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.