#409688
Closest named color: Sea (#3C9992). oklch(61.7% 0.086 181), rgb(64, 150, 136).
Aa
Black text reads best on this color (5.93:1).
About this color
#409688 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 62%, its chroma 0.086 and its hue 181°. Its hue sits on the cool side of the wheel. The nearest named color is Sea (#3C9992), ΔE 0.015 away. Black text reads best on it, at 5.93:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.086) |
| Temperature | cool |
| Nearest name | Sea (#3C9992) |
| Black text | 5.93:1 |
| White text | 3.53:1 |
Values
| HEX | #409688 |
| RGB | rgb(64, 150, 136) |
| HSL | hsl(170, 40%, 42%) |
| OKLCH | oklch(61.7% 0.086 181) |
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 #409688 | 3.53:1 | AA large text | Lc -68.2 | Content text, not long reading |
| Black text on #409688 | 5.93:1 | AA | Lc 41.3 | Non-text elements, placeholder text |
| #409688 text on white | 3.53:1 | AA large text | Lc 62.7 | Content text, not long reading |
| #409688 text on black | 5.93:1 | AA | Lc -38.9 | 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 500.
-
Step 50
50
#F2F7F6
oklch(97.2% 0.005 183)
-
Step 100
100
#E2EDEA
oklch(93.7% 0.012 178)
-
Step 200
200
#C9DEDA
oklch(88.4% 0.023 183.1)
-
Step 300
300
#A4CAC2
oklch(80.9% 0.042 181)
-
Step 400
400
#70AFA3
oklch(70.8% 0.067 180.9)
-
Step 500
500 (this color)
#409688
oklch(61.7% 0.086 181)
-
Step 600
600
#1C8576
oklch(55.6% 0.093 180.6)
-
Step 700
700
#087063
oklch(49% 0.086 180.9)
-
Step 800
800
#105C51
oklch(42.8% 0.072 180.4)
-
Step 900
900
#184B43
oklch(37.6% 0.056 181)
-
Step 950
950
#102C27
oklch(27% 0.035 180.2)
#409688 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) | #908E87 | 0.091 |
| Deuteranopia (no green cones) | #838489 | 0.087 |
| Tritanopia (no blue cones) | #009892 | 0.025 |
| Achromatopsia (no color) | #888888 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #409688
#409688
oklch(61.7% 0.086 181)
- #B06F82
#B06F82
oklch(61.7% 0.086 1)
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 #409688, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea #3C9992 ΔE 0.015
- Dusty Teal #4C9085 ΔE 0.018
- Persian Green #2A9D8F ΔE 0.021
- Blue Green #0F9B8E ΔE 0.023
- Grey Teal #5E9B8A ΔE 0.032
- Teal Green #0A9396 ΔE 0.034
- Ocean Green #3D9973 ΔE 0.036
- Dull Teal #5F9E8F ΔE 0.040
Use #409688 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.