#045140
Closest named color: Dark Blue Green (#005249). oklch(38.8% 0.074 172.1), rgb(4, 81, 64).
Aa
White text reads best on this color (9.30:1).
About this color
#045140 is a dark, moderately saturated teal or cyan. In OKLCH its lightness is 39%, its chroma 0.074 and its hue 172°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.014 away. White text reads best on it, at 9.30:1.
| Hue family | Teals and cyans |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.25:1 |
| White text | 9.30:1 |
Values
| HEX | #045140 |
| RGB | rgb(4, 81, 64) |
| HSL | hsl(167, 91%, 17%) |
| OKLCH | oklch(38.8% 0.074 172.1) |
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 #045140 | 9.30:1 | AAA | Lc -95.4 | Preferred for body text |
| Black text on #045140 | 2.25:1 | Fails | Lc 12.9 | Not readable |
| #045140 text on white | 9.30:1 | AAA | Lc 91.0 | Preferred for body text |
| #045140 text on black | 2.25:1 | Fails | Lc -11.3 | 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 900.
-
Step 50
50
#F1F7F5
oklch(97.1% 0.007 174.4)
-
Step 100
100
#E0EEE8
oklch(93.7% 0.017 168.5)
-
Step 200
200
#C6E0D7
oklch(88.5% 0.03 172.8)
-
Step 300
300
#9DCDBC
oklch(81% 0.056 171.1)
-
Step 400
400
#62B39A
oklch(70.8% 0.089 171.6)
-
Step 500
500
#259F82
oklch(63.1% 0.112 172.4)
-
Step 600
600
#00876C
oklch(55.5% 0.108 172.1)
-
Step 700
700
#00725A
oklch(49.2% 0.096 171.5)
-
Step 800
800
#005D4A
oklch(42.6% 0.082 172.5)
-
Step 900
900 (this color)
#045140
oklch(38.8% 0.074 172.1)
-
Step 950
950
#072E24
oklch(27.1% 0.047 171.9)
#045140 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) | #4E4B3F | 0.075 |
| Deuteranopia (no green cones) | #454441 | 0.073 |
| Tritanopia (no blue cones) | #00524C | 0.019 |
| Achromatopsia (no color) | #474747 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #045140
#045140
oklch(38.8% 0.074 172.1)
- #623349
#623349
oklch(38.9% 0.074 351.6)
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 #045140, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.014
- Dark Teal #014D4E ΔE 0.031
- Evergreen #05472A ΔE 0.042
- Deep Teal #00555A ΔE 0.042
- Dark Slate Gray #2F4F4F ΔE 0.044
- Pine Green #0A481E ΔE 0.052
- Spruce #0A5F38 ΔE 0.053
- Pine #2B5D34 ΔE 0.056
Use #045140 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.