#045851
Closest named color: Deep Teal (#00555A). oklch(41.5% 0.072 185.4), rgb(4, 88, 81).
Aa
White text reads best on this color (8.33:1).
About this color
#045851 is a dark, moderately saturated teal or cyan. In OKLCH its lightness is 41%, its chroma 0.072 and its hue 185°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Teal (#00555A), ΔE 0.021 away. White text reads best on it, at 8.33:1.
| Hue family | Teals and cyans |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.51:1 |
| White text | 8.33:1 |
Values
| HEX | #045851 |
| RGB | rgb(4, 88, 81) |
| HSL | hsl(175, 91%, 18%) |
| OKLCH | oklch(41.5% 0.072 185.4) |
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 #045851 | 8.33:1 | AAA | Lc -92.9 | Preferred for body text |
| Black text on #045851 | 2.51:1 | Fails | Lc 15.7 | Dividers and decoration only |
| #045851 text on white | 8.33:1 | AAA | Lc 88.3 | Fine for body text |
| #045851 text on black | 2.51:1 | 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
#F2F7F6
oklch(97.2% 0.005 183)
-
Step 100
100
#E1EDEB
oklch(93.7% 0.013 185.1)
-
Step 200
200
#C9DEDB
oklch(88.4% 0.023 186.4)
-
Step 300
300
#A3CAC4
oklch(80.9% 0.042 184.9)
-
Step 400
400
#6FAFA6
oklch(70.8% 0.067 184.6)
-
Step 500
500
#429A91
oklch(63% 0.085 186.2)
-
Step 600
600
#16857B
oklch(55.7% 0.093 185.3)
-
Step 700
700
#007067
oklch(49% 0.086 185.2)
-
Step 800
800 (this color)
#045851
oklch(41.5% 0.072 185.4)
-
Step 900
900
#164B46
oklch(37.7% 0.056 186.3)
-
Step 950
950
#0F2C29
oklch(27% 0.035 186.3)
#045851 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) | #535251 | 0.077 |
| Deuteranopia (no green cones) | #484B52 | 0.071 |
| Tritanopia (no blue cones) | #005A56 | 0.009 |
| Achromatopsia (no color) | #4E4E4E | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #045851
#045851
oklch(41.5% 0.072 185.4)
- #6C3A46
#6C3A46
oklch(41.4% 0.072 5.3)
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 #045851, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.021
- Dark Blue Green #005249 ΔE 0.021
- Dark Teal #014D4E ΔE 0.037
- Dark Slate Gray #2F4F4F ΔE 0.037
- Dark Green Blue #1F6357 ΔE 0.040
- Petrol #005F6A ΔE 0.042
- Spruce #0A5F38 ΔE 0.052
- Pine #2B5D34 ΔE 0.055
Use #045851 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.