#255164
Closest named color: Deep Teal (#00555A). oklch(41.2% 0.058 228.7), rgb(37, 81, 100).
Aa
White text reads best on this color (8.60:1).
About this color
#255164 is a dark, muted teal or cyan. In OKLCH its lightness is 41%, its chroma 0.058 and its hue 229°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Teal (#00555A), ΔE 0.032 away. White text reads best on it, at 8.60:1.
| Hue family | Teals and cyans |
| Lightness | dark (41%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.43:1 |
| White text | 8.60:1 |
Values
| HEX | #255164 |
| RGB | rgb(37, 81, 100) |
| HSL | hsl(198, 46%, 27%) |
| OKLCH | oklch(41.2% 0.058 228.7) |
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 #255164 | 8.60:1 | AAA | Lc -93.9 | Preferred for body text |
| Black text on #255164 | 2.43:1 | Fails | Lc 14.6 | Not readable |
| #255164 text on white | 8.60:1 | AAA | Lc 89.4 | Fine for body text |
| #255164 text on black | 2.43:1 | Fails | Lc -12.8 | 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
#E4EBEF
oklch(93.6% 0.009 232.4)
-
Step 200
200
#CDDCE3
oklch(88.5% 0.019 227.3)
-
Step 300
300
#ABC5D2
oklch(80.8% 0.034 229.4)
-
Step 400
400
#7DA8BC
oklch(70.8% 0.055 228.3)
-
Step 500
500
#5B92AB
oklch(63.1% 0.069 228.7)
-
Step 600
600
#3F7C96
oklch(55.6% 0.075 228.1)
-
Step 700
700
#306880
oklch(49% 0.07 228.7)
-
Step 800
800 (this color)
#255164
oklch(41.2% 0.058 228.7)
-
Step 900
900
#264655
oklch(37.6% 0.046 229.9)
-
Step 950
950
#172932
oklch(27% 0.029 231)
#255164 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) | #475065 | 0.042 |
| Deuteranopia (no green cones) | #3E4964 | 0.036 |
| Tritanopia (no blue cones) | #005657 | 0.038 |
| Achromatopsia (no color) | #4C4C4C | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #255164
#255164
oklch(41.2% 0.058 228.7)
- #65412E
#65412E
oklch(41.2% 0.059 48.4)
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 #255164, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.032
- Dark Grey Blue #29465B ΔE 0.034
- Dark Slate Gray #2F4F4F ΔE 0.035
- Charcoal #264653 ΔE 0.040
- Petrol #005F6A ΔE 0.044
- Dark Teal #014D4E ΔE 0.047
- Deep Sea Blue #015482 ΔE 0.050
- YInMn Blue #415A77 ΔE 0.053
Use #255164 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.