#155667
Closest named color: Deep Teal (#00555A). oklch(42.2% 0.068 219.6), rgb(21, 86, 103).
Aa
White text reads best on this color (8.20:1).
About this color
#155667 is a dark, muted teal or cyan. In OKLCH its lightness is 42%, its chroma 0.068 and its hue 220°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Teal (#00555A), ΔE 0.025 away. White text reads best on it, at 8.20:1.
| Hue family | Teals and cyans |
| Lightness | dark (42%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.55:1 |
| White text | 8.20:1 |
Values
| HEX | #155667 |
| RGB | rgb(21, 86, 103) |
| HSL | hsl(192, 66%, 24%) |
| OKLCH | oklch(42.2% 0.068 219.6) |
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 #155667 | 8.20:1 | AAA | Lc -92.7 | Preferred for body text |
| Black text on #155667 | 2.55:1 | Fails | Lc 15.9 | Dividers and decoration only |
| #155667 text on white | 8.20:1 | AAA | Lc 88.1 | Fine for body text |
| #155667 text on black | 2.55:1 | Fails | Lc -14.1 | 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
#E2ECEF
oklch(93.6% 0.011 217.5)
-
Step 200
200
#CADDE3
oklch(88.5% 0.022 218.6)
-
Step 300
300
#A5C7D2
oklch(80.8% 0.04 219.4)
-
Step 400
400
#72AABC
oklch(70.6% 0.064 220.1)
-
Step 500
500
#4A95AB
oklch(63.1% 0.081 219.5)
-
Step 600
600
#267F97
oklch(55.6% 0.089 219.9)
-
Step 700
700
#166B81
oklch(49% 0.083 220.2)
-
Step 800
800 (this color)
#155667
oklch(42.2% 0.068 219.6)
-
Step 900
900
#1B4855
oklch(37.7% 0.053 219.9)
-
Step 950
950
#112A32
oklch(26.9% 0.034 221.3)
#155667 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) | #4B5368 | 0.057 |
| Deuteranopia (no green cones) | #404B67 | 0.051 |
| Tritanopia (no blue cones) | #005C5B | 0.033 |
| Achromatopsia (no color) | #4F4F4F | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #155667
#155667
oklch(42.2% 0.068 219.6)
- #6D4031
#6D4031
oklch(42.2% 0.068 39.2)
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 #155667, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.025
- Petrol #005F6A ΔE 0.028
- Dark Slate Gray #2F4F4F ΔE 0.041
- Deep Sea Blue #015482 ΔE 0.048
- Dark Teal #014D4E ΔE 0.049
- Dark Grey Blue #29465B ΔE 0.050
- Dark Blue Green #005249 ΔE 0.052
- Charcoal #264653 ΔE 0.053
Use #155667 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.