#045671
Closest named color: Deep Sea Blue (#015482). oklch(42.4% 0.081 228.3), rgb(4, 86, 113).
Aa
White text reads best on this color (8.15:1).
About this color
#045671 is a dark, moderately saturated teal or cyan. In OKLCH its lightness is 42%, its chroma 0.081 and its hue 228°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sea Blue (#015482), ΔE 0.031 away. White text reads best on it, at 8.15:1.
| Hue family | Teals and cyans |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Deep Sea Blue (#015482) |
| Black text | 2.57:1 |
| White text | 8.15:1 |
Values
| HEX | #045671 |
| RGB | rgb(4, 86, 113) |
| HSL | hsl(195, 93%, 23%) |
| OKLCH | oklch(42.4% 0.081 228.3) |
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 #045671 | 8.15:1 | AAA | Lc -92.4 | Preferred for body text |
| Black text on #045671 | 2.57:1 | Fails | Lc 16.3 | Dividers and decoration only |
| #045671 text on white | 8.15:1 | AAA | Lc 87.7 | Fine for body text |
| #045671 text on black | 2.57:1 | Fails | Lc -14.4 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF1
oklch(93.6% 0.014 226.6)
-
Step 200
200
#C8DDE7
oklch(88.5% 0.026 227.9)
-
Step 300
300
#A1C7D9
oklch(80.8% 0.048 228.3)
-
Step 400
400
#6CAAC6
oklch(70.6% 0.076 228.4)
-
Step 500
500
#3E95B8
oklch(63.2% 0.097 228)
-
Step 600
600
#0E7EA4
oklch(55.5% 0.106 228.7)
-
Step 700
700
#006A8B
oklch(49% 0.096 228.3)
-
Step 800
800 (this color)
#045671
oklch(42.4% 0.081 228.3)
-
Step 900
900
#14485C
oklch(37.8% 0.063 228)
-
Step 950
950
#0E2A36
oklch(27% 0.04 229.1)
#045671 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) | #485472 | 0.058 |
| Deuteranopia (no green cones) | #3A4B71 | 0.050 |
| Tritanopia (no blue cones) | #005E5F | 0.046 |
| Achromatopsia (no color) | #4F4F4F | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #045671
#045671
oklch(42.4% 0.081 228.3)
- #713F23
#713F23
oklch(42.3% 0.081 48.6)
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 #045671, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sea Blue #015482 ΔE 0.031
- Petrol #005F6A ΔE 0.034
- Deep Teal #00555A ΔE 0.039
- Light Navy #155084 ΔE 0.041
- Light Navy Blue #2E5A88 ΔE 0.049
- YInMn Blue #415A77 ΔE 0.052
- Dusk Blue #26538D ΔE 0.055
- Dark Grey Blue #29465B ΔE 0.055
Use #045671 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.