#045945
Closest named color: Dark Blue Green (#005249). oklch(41.4% 0.08 170.5), rgb(4, 89, 69).
Aa
White text reads best on this color (8.33:1).
About this color
#045945 is a dark, moderately saturated teal or cyan. In OKLCH its lightness is 41%, its chroma 0.080 and its hue 171°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.027 away. White text reads best on it, at 8.33:1.
| Hue family | Teals and cyans |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.52:1 |
| White text | 8.33:1 |
Values
| HEX | #045945 |
| RGB | rgb(4, 89, 69) |
| HSL | hsl(166, 91%, 18%) |
| OKLCH | oklch(41.4% 0.08 170.5) |
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 #045945 | 8.33:1 | AAA | Lc -92.9 | Preferred for body text |
| Black text on #045945 | 2.52:1 | Fails | Lc 15.7 | Dividers and decoration only |
| #045945 text on white | 8.33:1 | AAA | Lc 88.3 | Fine for body text |
| #045945 text on black | 2.52:1 | Fails | Lc -13.9 | Not readable |
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 800.
-
Step 50
50
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E2EDE8
oklch(93.6% 0.013 167.2)
-
Step 200
200
#C9DFD7
oklch(88.5% 0.026 171.9)
-
Step 300
300
#A3CBBC
oklch(80.9% 0.047 170.3)
-
Step 400
400
#6FB09A
oklch(70.7% 0.075 170.7)
-
Step 500
500
#439C81
oklch(63.1% 0.095 170.4)
-
Step 600
600
#17876A
oklch(55.7% 0.105 169.9)
-
Step 700
700
#007259
oklch(49.1% 0.097 170.7)
-
Step 800
800 (this color)
#045945
oklch(41.4% 0.08 170.5)
-
Step 900
900
#164C3D
oklch(37.7% 0.062 171.1)
-
Step 950
950
#0F2D24
oklch(27.1% 0.04 170.9)
#045945 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) | #565244 | 0.082 |
| Deuteranopia (no green cones) | #4C4B46 | 0.078 |
| Tritanopia (no blue cones) | #005A53 | 0.022 |
| Achromatopsia (no color) | #4E4E4E | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #045945
#045945
oklch(41.4% 0.08 170.5)
- #6B3851
#6B3851
oklch(41.3% 0.079 350.4)
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 #045945, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.027
- Spruce #0A5F38 ΔE 0.033
- Pine #2B5D34 ΔE 0.038
- Deep Teal #00555A ΔE 0.042
- Dark Green Blue #1F6357 ΔE 0.043
- Dark Teal #014D4E ΔE 0.048
- Dark Slate Gray #2F4F4F ΔE 0.050
- Petrol #005F6A ΔE 0.060
Use #045945 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.