#40786B
Closest named color: Bluegreen (#017A79). oklch(53% 0.063 176.9), rgb(64, 120, 107).
Aa
White text reads best on this color (5.10:1).
About this color
#40786B is a medium-dark, muted teal or cyan. In OKLCH its lightness is 53%, its chroma 0.063 and its hue 177°. Its hue sits on the cool side of the wheel. The nearest named color is Bluegreen (#017A79), ΔE 0.035 away. White text reads best on it, at 5.10:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (53%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Bluegreen (#017A79) |
| Black text | 4.11:1 |
| White text | 5.10:1 |
Values
| HEX | #40786B |
| RGB | rgb(64, 120, 107) |
| HSL | hsl(166, 30%, 36%) |
| OKLCH | oklch(53% 0.063 176.9) |
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 #40786B | 5.10:1 | AA | Lc -80.5 | Fine for body text |
| Black text on #40786B | 4.11:1 | AA large text | Lc 29.0 | Dividers and decoration only |
| #40786B text on white | 5.10:1 | AA | Lc 75.1 | Fine for body text |
| #40786B text on black | 4.11:1 | AA large text | Lc -26.6 | 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 600.
-
Step 50
50
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E4ECEA
oklch(93.6% 0.009 179.6)
-
Step 200
200
#CFDDD9
oklch(88.6% 0.016 177)
-
Step 300
300
#AEC7C0
oklch(80.9% 0.029 176.9)
-
Step 400
400
#83AAA0
oklch(70.6% 0.045 177.5)
-
Step 500
500
#629589
oklch(63% 0.058 177.9)
-
Step 600
600 (this color)
#40786B
oklch(53% 0.063 176.9)
-
Step 700
700
#396C60
oklch(49.2% 0.059 176.7)
-
Step 800
800
#2F584E
oklch(42.7% 0.05 176.3)
-
Step 900
900
#2B4841
oklch(37.6% 0.037 177.2)
-
Step 950
950
#192A26
oklch(26.9% 0.024 178)
#40786B 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) | #74726A | 0.066 |
| Deuteranopia (no green cones) | #6B6B6C | 0.064 |
| Tritanopia (no blue cones) | #2B7974 | 0.019 |
| Achromatopsia (no color) | #6E6E6E | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40786B
#40786B
oklch(53% 0.063 176.9)
- #8A5C6C
#8A5C6C
oklch(52.9% 0.064 357)
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 #40786B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluegreen #017A79 ΔE 0.035
- Teal #008080 ΔE 0.040
- Deep Aqua #08787F ΔE 0.041
- Dark Aquamarine #017371 ΔE 0.041
- Deep Turquoise #017374 ΔE 0.042
- Ocean #017B92 ΔE 0.063
- Dark Cyan #008B8B ΔE 0.063
- Dim Gray #696969 ΔE 0.064
Use #40786B 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.