#40877B
Closest named color: Dusty Teal (#4C9085). oklch(57.4% 0.074 181.1), rgb(64, 135, 123).
Aa
Black text reads best on this color (4.96:1).
About this color
#40877B is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 57%, its chroma 0.074 and its hue 181°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.031 away. Black text reads best on it, at 4.96:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 4.96:1 |
| White text | 4.22:1 |
Values
| HEX | #40877B |
| RGB | rgb(64, 135, 123) |
| HSL | hsl(170, 36%, 39%) |
| OKLCH | oklch(57.4% 0.074 181.1) |
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 #40877B | 4.22:1 | AA large text | Lc -74.5 | Content text, not long reading |
| Black text on #40877B | 4.96:1 | AA | Lc 35.1 | Non-text elements, placeholder text |
| #40877B text on white | 4.22:1 | AA large text | Lc 69.0 | Content text, not long reading |
| #40877B text on black | 4.96:1 | 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
#F2F6F5
oklch(97% 0.004 179.7)
-
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
#AAC8C2
oklch(80.9% 0.033 182)
-
Step 400
400
#7CACA2
oklch(70.7% 0.053 180.3)
-
Step 500
500
#58978C
oklch(63.1% 0.068 181.6)
-
Step 600
600 (this color)
#40877B
oklch(57.4% 0.074 181.1)
-
Step 700
700
#2C6E63
oklch(49.2% 0.069 180.6)
-
Step 800
800
#265951
oklch(42.6% 0.057 181.8)
-
Step 900
900
#244943
oklch(37.6% 0.044 182.1)
-
Step 950
950
#162B27
oklch(27% 0.028 180.5)
#40877B 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) | #82807B | 0.079 |
| Deuteranopia (no green cones) | #76787C | 0.074 |
| Tritanopia (no blue cones) | #1A8983 | 0.022 |
| Achromatopsia (no color) | #7B7B7B | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40877B
#40877B
oklch(57.4% 0.074 181.1)
- #9D6676
#9D6676
oklch(57.4% 0.074 0.8)
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 #40877B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.031
- Dark Cyan #008B8B ΔE 0.032
- Teal #008080 ΔE 0.041
- Teal Green #0A9396 ΔE 0.046
- Slate Green #658D6D ΔE 0.049
- Dark Sage #598556 ΔE 0.053
- Viridian #1E9167 ΔE 0.054
- Sea #3C9992 ΔE 0.055
Use #40877B 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.