#045C41
Closest named color: Spruce (#0A5F38). oklch(42.1% 0.087 164.7), rgb(4, 92, 65).
Aa
White text reads best on this color (8.03:1).
About this color
#045C41 is a dark, moderately saturated green. In OKLCH its lightness is 42%, its chroma 0.087 and its hue 165°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Spruce (#0A5F38), ΔE 0.019 away. White text reads best on it, at 8.03:1.
| Hue family | Greens |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.087) |
| Temperature | in between |
| Nearest name | Spruce (#0A5F38) |
| Black text | 2.61:1 |
| White text | 8.03:1 |
Values
| HEX | #045C41 |
| RGB | rgb(4, 92, 65) |
| HSL | hsl(162, 92%, 19%) |
| OKLCH | oklch(42.1% 0.087 164.7) |
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 #045C41 | 8.03:1 | AAA | Lc -92.1 | Preferred for body text |
| Black text on #045C41 | 2.61:1 | Fails | Lc 16.6 | Dividers and decoration only |
| #045C41 text on white | 8.03:1 | AAA | Lc 87.4 | Fine for body text |
| #045C41 text on black | 2.61:1 | Fails | Lc -14.7 | 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
#F1F7F4
oklch(97.1% 0.007 164.9)
-
Step 100
100
#E1EDE7
oklch(93.5% 0.015 164.7)
-
Step 200
200
#C9DFD4
oklch(88.4% 0.028 164.3)
-
Step 300
300
#A3CCB8
oklch(81% 0.052 164)
-
Step 400
400
#6EB194
oklch(70.7% 0.081 165)
-
Step 500
500
#409D79
oklch(63% 0.104 164.8)
-
Step 600
600
#108862
oklch(55.7% 0.114 164.6)
-
Step 700
700
#007351
oklch(49.2% 0.104 164.3)
-
Step 800
800 (this color)
#045C41
oklch(42.1% 0.087 164.7)
-
Step 900
900
#154D38
oklch(37.8% 0.068 164.3)
-
Step 950
950
#0F2D21
oklch(27% 0.043 164.6)
#045C41 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) | #5A543F | 0.086 |
| Deuteranopia (no green cones) | #504D43 | 0.084 |
| Tritanopia (no blue cones) | #005C55 | 0.033 |
| Achromatopsia (no color) | #505050 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #045C41
#045C41
oklch(42.1% 0.087 164.7)
- #6E3858
#6E3858
oklch(42% 0.087 345)
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 #045C41, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Spruce #0A5F38 ΔE 0.019
- Pine #2B5D34 ΔE 0.028
- Dark Blue Green #005249 ΔE 0.040
- Dark Green Blue #1F6357 ΔE 0.042
- Deep Teal #00555A ΔE 0.054
- Deep Green #02590F ΔE 0.059
- Navy Green #35530A ΔE 0.061
- Dark Slate Gray #2F4F4F ΔE 0.061
Use #045C41 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.