#406E80
Closest named color: Metallic Blue (#4F738E). oklch(51.3% 0.058 225.2), rgb(64, 110, 128).
Aa
White text reads best on this color (5.58:1).
About this color
#406E80 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 51%, its chroma 0.058 and its hue 225°. Its hue sits on the cool side of the wheel. The nearest named color is Metallic Blue (#4F738E), ΔE 0.031 away. White text reads best on it, at 5.58:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (51%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 3.76:1 |
| White text | 5.58:1 |
Values
| HEX | #406E80 |
| RGB | rgb(64, 110, 128) |
| HSL | hsl(197, 33%, 38%) |
| OKLCH | oklch(51.3% 0.058 225.2) |
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 #406E80 | 5.58:1 | AA | Lc -83.1 | Fine for body text |
| Black text on #406E80 | 3.76:1 | AA large text | Lc 26.3 | Dividers and decoration only |
| #406E80 text on white | 5.58:1 | AA | Lc 77.8 | Fine for body text |
| #406E80 text on black | 3.76:1 | AA large text | Lc -24.0 | Dividers and decoration only |
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 700.
-
Step 50
50
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E4EBEE
oklch(93.6% 0.009 225.1)
-
Step 200
200
#CFDCE1
oklch(88.6% 0.016 222.7)
-
Step 300
300
#AEC5CE
oklch(80.9% 0.028 223.3)
-
Step 400
400
#83A7B6
oklch(70.7% 0.045 225.3)
-
Step 500
500
#6391A4
oklch(63.1% 0.057 225.7)
-
Step 600
600
#497B8F
oklch(55.6% 0.062 225.7)
-
Step 700
700 (this color)
#406E80
oklch(51.3% 0.058 225.2)
-
Step 800
800
#305563
oklch(42.8% 0.048 224.4)
-
Step 900
900
#2B4651
oklch(37.7% 0.038 225.7)
-
Step 950
950
#1A292F
oklch(27% 0.023 224.8)
#406E80 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) | #646C81 | 0.045 |
| Deuteranopia (no green cones) | #5B6580 | 0.040 |
| Tritanopia (no blue cones) | #1F7374 | 0.039 |
| Achromatopsia (no color) | #686868 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #406E80
#406E80
oklch(51.3% 0.058 225.2)
- #835C4B
#835C4B
oklch(51.2% 0.058 44.5)
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 #406E80, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.031
- Slate #516572 ΔE 0.032
- Deep Aqua #08787F ΔE 0.042
- Sea Blue #047495 ΔE 0.042
- Denim #3B638C ΔE 0.044
- Deep Turquoise #017374 ΔE 0.046
- Ocean #017B92 ΔE 0.047
- Dull Blue #49759C ΔE 0.047
Use #406E80 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.