#40696E
Closest named color: Slate (#516572). oklch(49.3% 0.047 205.6), rgb(64, 105, 110).
Aa
White text reads best on this color (6.06:1).
About this color
#40696E is a medium-dark, muted teal or cyan. In OKLCH its lightness is 49%, its chroma 0.047 and its hue 206°. Its hue sits on the cool side of the wheel. The nearest named color is Slate (#516572), ΔE 0.026 away. White text reads best on it, at 6.06:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (49%) |
| Chroma | muted (0.047) |
| Temperature | cool |
| Nearest name | Slate (#516572) |
| Black text | 3.46:1 |
| White text | 6.06:1 |
Values
| HEX | #40696E |
| RGB | rgb(64, 105, 110) |
| HSL | hsl(187, 26%, 34%) |
| OKLCH | oklch(49.3% 0.047 205.6) |
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 #40696E | 6.06:1 | AA | Lc -85.4 | Fine for body text |
| Black text on #40696E | 3.46:1 | AA large text | Lc 23.8 | Dividers and decoration only |
| #40696E text on white | 6.06:1 | AA | Lc 80.2 | Fine for body text |
| #40696E text on black | 3.46:1 | AA large text | Lc -21.6 | 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 700.
-
Step 50
50
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E5EBEC
oklch(93.6% 0.007 208.8)
-
Step 200
200
#D0DCDD
oklch(88.6% 0.013 202.9)
-
Step 300
300
#B1C5C8
oklch(80.9% 0.022 207.6)
-
Step 400
400
#87A7AB
oklch(70.6% 0.036 205.7)
-
Step 500
500
#689297
oklch(63.1% 0.046 205.3)
-
Step 600
600
#4F7C82
oklch(55.6% 0.05 206.5)
-
Step 700
700 (this color)
#40696E
oklch(49.3% 0.047 205.6)
-
Step 800
800
#355559
oklch(42.6% 0.038 205.8)
-
Step 900
900
#2E4649
oklch(37.6% 0.03 205.8)
-
Step 950
950
#1B292B
oklch(26.9% 0.019 207.1)
#40696E 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) | #63666E | 0.046 |
| Deuteranopia (no green cones) | #5B606E | 0.042 |
| Tritanopia (no blue cones) | #2C6C6A | 0.023 |
| Achromatopsia (no color) | #626262 | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40696E
#40696E
oklch(49.3% 0.047 205.6)
- #7A5754
#7A5754
oklch(49.3% 0.047 24.4)
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 #40696E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.026
- Dark Aqua #05696B ΔE 0.039
- Deep Turquoise #017374 ΔE 0.042
- Dark Aquamarine #017371 ΔE 0.043
- Deep Aqua #08787F ΔE 0.050
- Dark Green Blue #1F6357 ΔE 0.052
- YInMn Blue #415A77 ΔE 0.053
- Dim Gray #696969 ΔE 0.054
Use #40696E 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.