#40949B
Closest named color: Sea (#3C9992). oklch(61.8% 0.081 202.8), rgb(64, 148, 155).
Aa
Black text reads best on this color (5.92:1).
About this color
#40949B is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 62%, its chroma 0.081 and its hue 203°. Its hue sits on the cool side of the wheel. The nearest named color is Sea (#3C9992), ΔE 0.024 away. Black text reads best on it, at 5.92:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Sea (#3C9992) |
| Black text | 5.92:1 |
| White text | 3.54:1 |
Values
| HEX | #40949B |
| RGB | rgb(64, 148, 155) |
| HSL | hsl(185, 42%, 43%) |
| OKLCH | oklch(61.8% 0.081 202.8) |
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 #40949B | 3.54:1 | AA large text | Lc -68.3 | Content text, not long reading |
| Black text on #40949B | 5.92:1 | AA | Lc 41.3 | Non-text elements, placeholder text |
| #40949B text on white | 3.54:1 | AA large text | Lc 62.8 | Content text, not long reading |
| #40949B text on black | 5.92:1 | AA | Lc -38.9 | 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 500.
-
Step 50
50
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E2ECED
oklch(93.6% 0.011 204.1)
-
Step 200
200
#C9DEDF
oklch(88.5% 0.022 200.2)
-
Step 300
300
#A4C9CC
oklch(81% 0.04 202.5)
-
Step 400
400
#70ADB2
oklch(70.8% 0.063 202.4)
-
Step 500
500 (this color)
#40949B
oklch(61.8% 0.081 202.8)
-
Step 600
600
#1B828A
oklch(55.5% 0.088 203)
-
Step 700
700
#076E75
oklch(49.1% 0.082 202.7)
-
Step 800
800
#0F5A5F
oklch(42.8% 0.068 201.9)
-
Step 900
900
#184A4E
oklch(37.8% 0.053 202.6)
-
Step 950
950
#102B2E
oklch(27% 0.033 205.1)
#40949B 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) | #8A8E9C | 0.082 |
| Deuteranopia (no green cones) | #7B849B | 0.074 |
| Tritanopia (no blue cones) | #009996 | 0.030 |
| Achromatopsia (no color) | #888888 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40949B
#40949B
oklch(61.8% 0.081 202.8)
- #B1726F
#B1726F
oklch(61.8% 0.08 22.6)
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 #40949B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea #3C9992 ΔE 0.024
- Teal Green #0A9396 ΔE 0.027
- Dusty Teal #4C9085 ΔE 0.032
- Persian Green #2A9D8F ΔE 0.039
- Blue Green #0F9B8E ΔE 0.040
- Cadet Blue #5F9EA0 ΔE 0.043
- Grey Teal #5E9B8A ΔE 0.046
- Dark Cyan #008B8B ΔE 0.047
Use #40949B 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.