#40817A
Closest named color: Teal (#008080). oklch(55.8% 0.068 186.3), rgb(64, 129, 122).
Aa
Black text reads best on this color (4.63:1).
About this color
#40817A is a medium-dark, muted teal or cyan. In OKLCH its lightness is 56%, its chroma 0.068 and its hue 186°. Its hue sits on the cool side of the wheel. The nearest named color is Teal (#008080), ΔE 0.031 away. Black text reads best on it, at 4.63:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (56%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Teal (#008080) |
| Black text | 4.63:1 |
| White text | 4.52:1 |
Values
| HEX | #40817A |
| RGB | rgb(64, 129, 122) |
| HSL | hsl(174, 34%, 38%) |
| OKLCH | oklch(55.8% 0.068 186.3) |
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 #40817A | 4.52:1 | AA | Lc -76.7 | Fine for body text |
| Black text on #40817A | 4.63:1 | AA | Lc 32.8 | Non-text elements, placeholder text |
| #40817A text on white | 4.52:1 | AA | Lc 71.3 | Content text, not long reading |
| #40817A text on black | 4.63:1 | AA | Lc -30.4 | Non-text elements, placeholder text |
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 600.
-
Step 50
50
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E4ECEB
oklch(93.7% 0.009 188.1)
-
Step 200
200
#CDDDDB
oklch(88.5% 0.017 187.8)
-
Step 300
300
#ACC7C3
oklch(80.8% 0.03 185.8)
-
Step 400
400
#7EABA5
oklch(70.7% 0.049 185.9)
-
Step 500
500
#5C968F
oklch(63.1% 0.062 186)
-
Step 600
600 (this color)
#40817A
oklch(55.8% 0.068 186.3)
-
Step 700
700
#316C66
oklch(49% 0.062 186.5)
-
Step 800
800
#295853
oklch(42.6% 0.052 186.3)
-
Step 900
900
#274945
oklch(37.8% 0.041 186)
-
Step 950
950
#172B28
oklch(27.1% 0.027 183.8)
#40817A 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) | #7B7B7A | 0.072 |
| Deuteranopia (no green cones) | #70737B | 0.067 |
| Tritanopia (no blue cones) | #1E847F | 0.021 |
| Achromatopsia (no color) | #767676 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40817A
#40817A
oklch(55.8% 0.068 186.3)
- #97636E
#97636E
oklch(55.9% 0.069 5.7)
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 #40817A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal #008080 ΔE 0.031
- Dark Cyan #008B8B ΔE 0.038
- Bluegreen #017A79 ΔE 0.042
- Deep Aqua #08787F ΔE 0.046
- Dusty Teal #4C9085 ΔE 0.047
- Ocean #017B92 ΔE 0.055
- Battleship Grey #6B7C85 ΔE 0.056
- Grey Blue #647D8E ΔE 0.056
Use #40817A 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.