#045668
Closest named color: Deep Teal (#00555A). oklch(41.9% 0.074 218.7), rgb(4, 86, 104).
Aa
White text reads best on this color (8.28:1).
About this color
#045668 is a dark, moderately saturated teal or cyan. In OKLCH its lightness is 42%, its chroma 0.074 and its hue 219°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Teal (#00555A), ΔE 0.024 away. White text reads best on it, at 8.28:1.
| Hue family | Teals and cyans |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.53:1 |
| White text | 8.28:1 |
Values
| HEX | #045668 |
| RGB | rgb(4, 86, 104) |
| HSL | hsl(191, 93%, 21%) |
| OKLCH | oklch(41.9% 0.074 218.7) |
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 #045668 | 8.28:1 | AAA | Lc -92.8 | Preferred for body text |
| Black text on #045668 | 2.53:1 | Fails | Lc 15.9 | Dividers and decoration only |
| #045668 text on white | 8.28:1 | AAA | Lc 88.1 | Fine for body text |
| #045668 text on black | 2.53:1 | Fails | Lc -14.0 | 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
#F1F6F8
oklch(97% 0.006 223.5)
-
Step 100
100
#E1ECEF
oklch(93.6% 0.012 215.8)
-
Step 200
200
#C8DDE4
oklch(88.4% 0.024 219.7)
-
Step 300
300
#A2C8D4
oklch(80.9% 0.044 219)
-
Step 400
400
#6DABBE
oklch(70.6% 0.07 219.3)
-
Step 500
500
#4096AE
oklch(63.1% 0.089 219.2)
-
Step 600
600
#128099
oklch(55.5% 0.096 218.7)
-
Step 700
700
#006C82
oklch(49.1% 0.088 218.4)
-
Step 800
800 (this color)
#045668
oklch(41.9% 0.074 218.7)
-
Step 900
900
#154956
oklch(37.8% 0.058 217.9)
-
Step 950
950
#0E2B32
oklch(27.1% 0.037 216.1)
#045668 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) | #4B5369 | 0.063 |
| Deuteranopia (no green cones) | #3F4B68 | 0.055 |
| Tritanopia (no blue cones) | #005C5C | 0.032 |
| Achromatopsia (no color) | #4E4E4E | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #045668
#045668
oklch(41.9% 0.074 218.7)
- #6F3E2E
#6F3E2E
oklch(42% 0.074 38.8)
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 #045668, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.024
- Petrol #005F6A ΔE 0.029
- Dark Slate Gray #2F4F4F ΔE 0.045
- Deep Sea Blue #015482 ΔE 0.046
- Dark Teal #014D4E ΔE 0.048
- Dark Grey Blue #29465B ΔE 0.051
- Dark Blue Green #005249 ΔE 0.052
- Charcoal #264653 ΔE 0.054
Use #045668 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.