#1A5151
Closest named color: Deep Teal (#00555A). oklch(40% 0.056 195.1), rgb(26, 81, 81).
Aa
White text reads best on this color (8.97:1).
About this color
#1A5151 is a dark, muted teal or cyan. In OKLCH its lightness is 40%, its chroma 0.056 and its hue 195°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Teal (#00555A), ΔE 0.018 away. White text reads best on it, at 8.97:1.
| Hue family | Teals and cyans |
| Lightness | dark (40%) |
| Chroma | muted (0.056) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.33:1 |
| White text | 8.97:1 |
Values
| HEX | #1A5151 |
| RGB | rgb(26, 81, 81) |
| HSL | hsl(180, 51%, 21%) |
| OKLCH | oklch(40% 0.056 195.1) |
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 #1A5151 | 8.97:1 | AAA | Lc -94.8 | Preferred for body text |
| Black text on #1A5151 | 2.33:1 | Fails | Lc 13.6 | Not readable |
| #1A5151 text on white | 8.97:1 | AAA | Lc 90.4 | Preferred for body text |
| #1A5151 text on black | 2.33:1 | Fails | Lc -11.9 | 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
#F1F7F6
oklch(97.1% 0.006 185.3)
-
Step 100
100
#E1EDEC
oklch(93.7% 0.013 190.9)
-
Step 200
200
#C8DEDE
oklch(88.4% 0.023 196.7)
-
Step 300
300
#A2CAC9
oklch(81% 0.042 194.5)
-
Step 400
400
#6CAEAE
oklch(70.7% 0.067 195.7)
-
Step 500
500
#3D9A9A
oklch(63.2% 0.087 195.2)
-
Step 600
600
#048484
oklch(55.6% 0.094 194.8)
-
Step 700
700
#006F6F
oklch(49% 0.084 194.8)
-
Step 800
800
#015B5B
oklch(42.7% 0.073 194.8)
-
Step 900
900 (this color)
#1A5151
oklch(40% 0.056 195.1)
-
Step 950
950
#0D2C2C
oklch(27% 0.036 195.2)
#1A5151 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) | #4C4D51 | 0.060 |
| Deuteranopia (no green cones) | #434751 | 0.054 |
| Tritanopia (no blue cones) | #005451 | 0.014 |
| Achromatopsia (no color) | #494949 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1A5151
#1A5151
oklch(40% 0.056 195.1)
- #623B3E
#623B3E
oklch(40% 0.055 14.9)
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 #1A5151, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.018
- Dark Slate Gray #2F4F4F ΔE 0.019
- Dark Teal #014D4E ΔE 0.020
- Dark Blue Green #005249 ΔE 0.021
- Charcoal #264653 ΔE 0.038
- Dark Grey Blue #29465B ΔE 0.046
- Petrol #005F6A ΔE 0.051
- Charcoal Grey #3C4142 ΔE 0.057
Use #1A5151 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.