#40697A
Closest named color: Slate (#516572). oklch(49.8% 0.053 226.3), rgb(64, 105, 122).
Aa
White text reads best on this color (5.96:1).
About this color
#40697A is a medium-dark, muted teal or cyan. In OKLCH its lightness is 50%, its chroma 0.053 and its hue 226°. Its hue sits on the cool side of the wheel. The nearest named color is Slate (#516572), ΔE 0.023 away. White text reads best on it, at 5.96:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (50%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Slate (#516572) |
| Black text | 3.51:1 |
| White text | 5.96:1 |
Values
| HEX | #40697A |
| RGB | rgb(64, 105, 122) |
| HSL | hsl(198, 31%, 36%) |
| OKLCH | oklch(49.8% 0.053 226.3) |
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 #40697A | 5.96:1 | AA | Lc -85.0 | Fine for body text |
| Black text on #40697A | 3.51:1 | AA large text | Lc 24.3 | Dividers and decoration only |
| #40697A text on white | 5.96:1 | AA | Lc 79.7 | Fine for body text |
| #40697A text on black | 3.51:1 | AA large text | Lc -22.1 | 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
#E5EBEE
oklch(93.6% 0.008 228.9)
-
Step 200
200
#D0DBE0
oklch(88.5% 0.014 226.6)
-
Step 300
300
#B0C4CE
oklch(80.8% 0.026 229.2)
-
Step 400
400
#86A6B5
oklch(70.6% 0.041 228.1)
-
Step 500
500
#6790A2
oklch(63% 0.053 227)
-
Step 600
600
#4D7A8D
oklch(55.4% 0.058 226.7)
-
Step 700
700 (this color)
#40697A
oklch(49.8% 0.053 226.3)
-
Step 800
800
#345462
oklch(42.7% 0.044 227.5)
-
Step 900
900
#2D4650
oklch(37.8% 0.035 225)
-
Step 950
950
#1B292F
oklch(27.1% 0.022 226.4)
#40697A 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) | #60677B | 0.041 |
| Deuteranopia (no green cones) | #57617A | 0.036 |
| Tritanopia (no blue cones) | #256E6E | 0.037 |
| Achromatopsia (no color) | #636363 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40697A
#40697A
oklch(49.8% 0.053 226.3)
- #7C5949
#7C5949
oklch(49.7% 0.053 45.6)
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 #40697A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.023
- Denim #3B638C ΔE 0.039
- Metallic Blue #4F738E ΔE 0.045
- YInMn Blue #415A77 ΔE 0.045
- Deep Turquoise #017374 ΔE 0.048
- Dark Aqua #05696B ΔE 0.048
- Deep Aqua #08787F ΔE 0.051
- Dark Aquamarine #017371 ΔE 0.051
Use #40697A 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.