#40877D
Closest named color: Dark Cyan (#008B8B). oklch(57.5% 0.073 183.3), rgb(64, 135, 125).
Aa
Black text reads best on this color (4.97:1).
About this color
#40877D is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 57%, its chroma 0.073 and its hue 183°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Cyan (#008B8B), ΔE 0.030 away. Black text reads best on it, at 4.97:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | Dark Cyan (#008B8B) |
| Black text | 4.97:1 |
| White text | 4.21:1 |
Values
| HEX | #40877D |
| RGB | rgb(64, 135, 125) |
| HSL | hsl(172, 36%, 39%) |
| OKLCH | oklch(57.5% 0.073 183.3) |
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 #40877D | 4.21:1 | AA large text | Lc -74.4 | Content text, not long reading |
| Black text on #40877D | 4.97:1 | AA | Lc 35.2 | Non-text elements, placeholder text |
| #40877D text on white | 4.21:1 | AA large text | Lc 68.9 | Content text, not long reading |
| #40877D text on black | 4.97:1 | AA | Lc -32.7 | Non-text elements, placeholder text |
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
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E3ECEA
oklch(93.6% 0.01 181.4)
-
Step 200
200
#CDDDDA
oklch(88.5% 0.018 183.5)
-
Step 300
300
#AAC8C3
oklch(80.9% 0.033 184.4)
-
Step 400
400
#7CACA4
oklch(70.8% 0.053 183.4)
-
Step 500
500
#58978D
oklch(63.1% 0.067 182.8)
-
Step 600
600 (this color)
#40877D
oklch(57.5% 0.073 183.3)
-
Step 700
700
#2C6D65
oklch(49% 0.067 184.3)
-
Step 800
800
#265952
oklch(42.7% 0.056 183.5)
-
Step 900
900
#244944
oklch(37.6% 0.044 184.3)
-
Step 950
950
#162B28
oklch(27% 0.028 184.2)
#40877D 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) | #81807D | 0.078 |
| Deuteranopia (no green cones) | #76787E | 0.074 |
| Tritanopia (no blue cones) | #188984 | 0.023 |
| Achromatopsia (no color) | #7B7B7B | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40877D
#40877D
oklch(57.5% 0.073 183.3)
- #9E6674
#9E6674
oklch(57.4% 0.074 3.4)
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 #40877D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Cyan #008B8B ΔE 0.030
- Dusty Teal #4C9085 ΔE 0.031
- Teal #008080 ΔE 0.040
- Teal Green #0A9396 ΔE 0.044
- Slate Green #658D6D ΔE 0.050
- Sea #3C9992 ΔE 0.054
- Bluegreen #017A79 ΔE 0.055
- Teal Blue #01889F ΔE 0.055
Use #40877D 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.