#409E8F
Closest named color: Persian Green (#2A9D8F). oklch(63.9% 0.091 181.1), rgb(64, 158, 143).
Aa
Black text reads best on this color (6.50:1).
About this color
#409E8F is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 64%, its chroma 0.091 and its hue 181°. Its hue sits on the cool side of the wheel. The nearest named color is Persian Green (#2A9D8F), ΔE 0.014 away. Black text reads best on it, at 6.50:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.091) |
| Temperature | cool |
| Nearest name | Persian Green (#2A9D8F) |
| Black text | 6.50:1 |
| White text | 3.22:1 |
Values
| HEX | #409E8F |
| RGB | rgb(64, 158, 143) |
| HSL | hsl(170, 42%, 44%) |
| OKLCH | oklch(63.9% 0.091 181.1) |
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 #409E8F | 3.22:1 | AA large text | Lc -64.7 | Content text, not long reading |
| Black text on #409E8F | 6.50:1 | AA | Lc 44.8 | Non-text elements, placeholder text |
| #409E8F text on white | 3.22:1 | AA large text | Lc 59.3 | Large or bold text, headings |
| #409E8F text on black | 6.50:1 | AA | Lc -42.4 | 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 500.
-
Step 50
50
#F1F7F6
oklch(97.1% 0.006 185.3)
-
Step 100
100
#E1EDEA
oklch(93.6% 0.013 179.5)
-
Step 200
200
#C8DFDA
oklch(88.5% 0.025 181.2)
-
Step 300
300
#A2CBC2
oklch(81% 0.045 180.2)
-
Step 400
400
#6CB0A3
oklch(70.8% 0.072 180.6)
-
Step 500
500 (this color)
#409E8F
oklch(63.9% 0.091 181.1)
-
Step 600
600
#048677
oklch(55.6% 0.099 181.3)
-
Step 700
700
#007164
oklch(49.2% 0.089 181.2)
-
Step 800
800
#015C51
oklch(42.6% 0.076 181)
-
Step 900
900
#124C43
oklch(37.7% 0.06 180.3)
-
Step 950
950
#0D2C27
oklch(26.8% 0.038 181.1)
#409E8F 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) | #97958E | 0.096 |
| Deuteranopia (no green cones) | #898B90 | 0.091 |
| Tritanopia (no blue cones) | #00A199 | 0.024 |
| Achromatopsia (no color) | #8F8F8F | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #409E8F
#409E8F
oklch(63.9% 0.091 181.1)
- #BA7488
#BA7488
oklch(63.9% 0.091 1.5)
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 #409E8F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Persian Green #2A9D8F ΔE 0.014
- Sea #3C9992 ΔE 0.018
- Grey Teal #5E9B8A ΔE 0.025
- Blue Green #0F9B8E ΔE 0.025
- Dull Teal #5F9E8F ΔE 0.026
- Dusty Teal #4C9085 ΔE 0.039
- Cadet Blue #5F9EA0 ΔE 0.040
- Ocean Green #3D9973 ΔE 0.040
Use #409E8F 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.