#045642
Closest named color: Dark Blue Green (#005249). oklch(40.4% 0.078 169.9), rgb(4, 86, 66).
Aa
White text reads best on this color (8.69:1).
About this color
#045642 is a dark, moderately saturated green. In OKLCH its lightness is 40%, its chroma 0.078 and its hue 170°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.021 away. White text reads best on it, at 8.69:1.
| Hue family | Greens |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.078) |
| Temperature | in between |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.41:1 |
| White text | 8.69:1 |
Values
| HEX | #045642 |
| RGB | rgb(4, 86, 66) |
| HSL | hsl(165, 91%, 18%) |
| OKLCH | oklch(40.4% 0.078 169.9) |
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 #045642 | 8.69:1 | AAA | Lc -93.9 | Preferred for body text |
| Black text on #045642 | 2.41:1 | Fails | Lc 14.6 | Not readable |
| #045642 text on white | 8.69:1 | AAA | Lc 89.4 | Fine for body text |
| #045642 text on black | 2.41:1 | Fails | Lc -12.9 | 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
#CADFD6
oklch(88.5% 0.026 168.2)
-
Step 300
300
#A4CBBC
oklch(81% 0.046 169.7)
-
Step 400
400
#70B099
oklch(70.7% 0.074 169.4)
-
Step 500
500
#459C81
oklch(63.2% 0.094 170.1)
-
Step 600
600
#1D866A
oklch(55.6% 0.102 170)
-
Step 700
700
#0A7258
oklch(49.2% 0.095 169.4)
-
Step 800
800 (this color)
#045642
oklch(40.4% 0.078 169.9)
-
Step 900
900
#184C3C
oklch(37.7% 0.062 169.3)
-
Step 950
950
#102D23
oklch(27.1% 0.04 168.2)
#045642 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) | #534F41 | 0.080 |
| Deuteranopia (no green cones) | #4A4843 | 0.078 |
| Tritanopia (no blue cones) | #005750 | 0.022 |
| Achromatopsia (no color) | #4B4B4B | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #045642
#045642
oklch(40.4% 0.078 169.9)
- #68364F
#68364F
oklch(40.5% 0.078 349.9)
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 #045642, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.021
- Spruce #0A5F38 ΔE 0.038
- Deep Teal #00555A ΔE 0.042
- Dark Teal #014D4E ΔE 0.042
- Pine #2B5D34 ΔE 0.043
- Dark Slate Gray #2F4F4F ΔE 0.047
- Dark Green Blue #1F6357 ΔE 0.052
- Evergreen #05472A ΔE 0.055
Use #045642 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.