#40606E
Closest named color: YInMn Blue (#415A77). oklch(47% 0.044 227.2), rgb(64, 96, 110).
Aa
White text reads best on this color (6.73:1).
About this color
#40606E is a medium-dark, muted teal or cyan. In OKLCH its lightness is 47%, its chroma 0.044 and its hue 227°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.027 away. White text reads best on it, at 6.73:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (47%) |
| Chroma | muted (0.044) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 3.11:1 |
| White text | 6.73:1 |
Values
| HEX | #40606E |
| RGB | rgb(64, 96, 110) |
| HSL | hsl(198, 26%, 34%) |
| OKLCH | oklch(47% 0.044 227.2) |
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 #40606E | 6.73:1 | AA | Lc -88.2 | Fine for body text |
| Black text on #40606E | 3.11:1 | AA large text | Lc 20.9 | Dividers and decoration only |
| #40606E text on white | 6.73:1 | AA | Lc 83.2 | Fine for body text |
| #40606E text on black | 3.11:1 | AA large text | Lc -18.8 | 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
#E6EBED
oklch(93.7% 0.006 223.5)
-
Step 200
200
#D2DBDF
oklch(88.6% 0.011 226)
-
Step 300
300
#B3C4CB
oklch(80.9% 0.021 224.4)
-
Step 400
400
#8BA5B1
oklch(70.6% 0.034 227.5)
-
Step 500
500
#6E8F9E
oklch(63% 0.043 227.5)
-
Step 600
600
#567989
oklch(55.6% 0.047 228)
-
Step 700
700 (this color)
#40606E
oklch(47% 0.044 227.2)
-
Step 800
800
#3A535F
oklch(42.7% 0.036 229.3)
-
Step 900
900
#32454D
oklch(37.8% 0.028 225.7)
-
Step 950
950
#1D282D
oklch(26.9% 0.018 227.5)
#40606E 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) | #595F6F | 0.034 |
| Deuteranopia (no green cones) | #52596E | 0.030 |
| Tritanopia (no blue cones) | #2E6464 | 0.031 |
| Achromatopsia (no color) | #5B5B5B | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40606E
#40606E
oklch(47% 0.044 227.2)
- #705446
#705446
oklch(47.1% 0.044 47.8)
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 #40606E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.027
- Slate #516572 ΔE 0.029
- Dusty Grape #545775 ΔE 0.041
- Petrol #005F6A ΔE 0.046
- Dark Aqua #05696B ΔE 0.047
- Denim #3B638C ΔE 0.048
- Light Navy Blue #2E5A88 ΔE 0.054
- Dark Green Blue #1F6357 ΔE 0.055
Use #40606E 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.