#155164
Closest named color: Deep Teal (#00555A). oklch(40.7% 0.067 223.6), rgb(21, 81, 100).
Aa
White text reads best on this color (8.77:1).
About this color
#155164 is a dark, muted teal or cyan. In OKLCH its lightness is 41%, its chroma 0.067 and its hue 224°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Teal (#00555A), ΔE 0.026 away. White text reads best on it, at 8.77:1.
| Hue family | Teals and cyans |
| Lightness | dark (41%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.39:1 |
| White text | 8.77:1 |
Values
| HEX | #155164 |
| RGB | rgb(21, 81, 100) |
| HSL | hsl(194, 65%, 24%) |
| OKLCH | oklch(40.7% 0.067 223.6) |
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 #155164 | 8.77:1 | AAA | Lc -94.2 | Preferred for body text |
| Black text on #155164 | 2.39:1 | Fails | Lc 14.2 | Not readable |
| #155164 text on white | 8.77:1 | AAA | Lc 89.8 | Fine for body text |
| #155164 text on black | 2.39:1 | Fails | Lc -12.5 | 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
#CBDDE4
oklch(88.6% 0.022 223)
-
Step 300
300
#A6C7D3
oklch(80.9% 0.039 221.9)
-
Step 400
400
#75AABD
oklch(70.8% 0.062 222.4)
-
Step 500
500
#4E94AD
oklch(63.1% 0.08 223.6)
-
Step 600
600
#2D7E99
oklch(55.6% 0.087 224)
-
Step 700
700
#1E6A82
oklch(49% 0.081 223.6)
-
Step 800
800 (this color)
#155164
oklch(40.7% 0.067 223.6)
-
Step 900
900
#1E4856
oklch(37.8% 0.052 222.7)
-
Step 950
950
#132A32
oklch(27% 0.033 222.8)
#155164 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) | #464F65 | 0.052 |
| Deuteranopia (no green cones) | #3C4764 | 0.047 |
| Tritanopia (no blue cones) | #005757 | 0.035 |
| Achromatopsia (no color) | #4B4B4B | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #155164
#155164
oklch(40.7% 0.067 223.6)
- #683D2B
#683D2B
oklch(40.7% 0.067 43.2)
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 #155164, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.026
- Dark Grey Blue #29465B ΔE 0.035
- Dark Slate Gray #2F4F4F ΔE 0.038
- Charcoal #264653 ΔE 0.039
- Dark Teal #014D4E ΔE 0.040
- Petrol #005F6A ΔE 0.043
- Deep Sea Blue #015482 ΔE 0.049
- Dark Blue Green #005249 ΔE 0.050
Use #155164 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.