#00565C
Closest named color: Deep Teal (#00555A). oklch(41.3% 0.07 203), rgb(0, 86, 92).
Aa
White text reads best on this color (8.44:1).
About this color
#00565C is a dark, moderately saturated teal or cyan. In OKLCH its lightness is 41%, its chroma 0.070 and its hue 203°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Teal (#00555A), ΔE 0.004 away. White text reads best on it, at 8.44:1.
| Hue family | Teals and cyans |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.070) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.48:1 |
| White text | 8.44:1 |
Values
| HEX | #00565C |
| RGB | rgb(0, 86, 92) |
| HSL | hsl(184, 100%, 18%) |
| OKLCH | oklch(41.3% 0.07 203) |
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 #00565C | 8.44:1 | AAA | Lc -93.2 | Preferred for body text |
| Black text on #00565C | 2.48:1 | Fails | Lc 15.4 | Dividers and decoration only |
| #00565C text on white | 8.44:1 | AAA | Lc 88.6 | Fine for body text |
| #00565C text on black | 2.48:1 | Fails | Lc -13.6 | 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
#F1F7F7
oklch(97.2% 0.006 197.1)
-
Step 100
100
#E1ECED
oklch(93.5% 0.012 203.5)
-
Step 200
200
#C9DEE0
oklch(88.6% 0.023 203.7)
-
Step 300
300
#A2C9CC
oklch(80.9% 0.042 202.2)
-
Step 400
400
#6DADB3
oklch(70.7% 0.066 203.4)
-
Step 500
500
#4098A0
oklch(63% 0.084 203.5)
-
Step 600
600
#11838B
oklch(55.7% 0.092 202.7)
-
Step 700
700
#006E76
oklch(49.1% 0.084 203.6)
-
Step 800
800 (this color)
#00565C
oklch(41.3% 0.07 203)
-
Step 900
900
#154A4E
oklch(37.7% 0.055 202.3)
-
Step 950
950
#0E2B2E
oklch(26.9% 0.035 204.5)
#00565C 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) | #4E525C | 0.070 |
| Deuteranopia (no green cones) | #434A5C | 0.064 |
| Tritanopia (no blue cones) | #005A58 | 0.017 |
| Achromatopsia (no color) | #4D4D4D | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00565C
#00565C
oklch(41.3% 0.07 203)
- #6C3B39
#6C3B39
oklch(41.3% 0.07 23)
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 #00565C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.004
- Dark Blue Green #005249 ΔE 0.032
- Petrol #005F6A ΔE 0.033
- Dark Teal #014D4E ΔE 0.033
- Dark Slate Gray #2F4F4F ΔE 0.035
- Dark Green Blue #1F6357 ΔE 0.050
- Charcoal #264653 ΔE 0.051
- Dark Grey Blue #29465B ΔE 0.054
Use #00565C 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.